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     Shenzhen Keweishi Technology Ltd. 

     About this company : Shenzhen Ke Wei Shi technology Ltd. is one of the best professional manufacturers of wireless security products and digital video recording (DVR) products in China. We own the KWS brand, which means large-scale production, reliable function, reasonable price, and special technological advantages on DVR drivers/software development and high frequency wireless transmission field.

     Contact : Jack Yang, Sales 
     Headquarters : Ge Lin Wang Yuan, 96# Yan Nan Rd. , Shenzhen, Guangdong, 518036, China
     Phone : 86-755-83745052, Fax : 86-755-83116061 
     Website : Log on to trade instantly , Email : Log on to trade instantly

     Wireless Color CCD spy hidden button camera Wireless Color CCD spy hidden button camera CN-SPY007

Button hidden camera is great for on-the-go application. It is one of the most popular surveillance item requested for spy or undercover surveillancing. This button Hidden Camera is undetectable, and is a standard size button. Button Hidden cameras will allows the user to integrate a micro camera into their clothing. Since this is a body-wear hidden surveillance, we include a 700mW transmitter ( Built-in rechargeable Lithium battery) and 4channel receiver ( Built-in rechargeable Lithium battery)! Button camera Features: Color 1/4 CCD Image Sensor( Not the cheaper CMOS!). Rule:PAL/CCIR NTSC/EIA. Effective picture element :PAL:628x582 NTSC:510x492. Horizontal definition :420 Line. Minimum Illumination: 0.5 Lux. Frequency: 1.2 GHz / 4 Channel. Transmitter power: 700mW can up to 500 meters. Size: 89 X 57 X 21mm. Frequency: 1.2 GHz / 4 Channel. Built-in Rechargeable lithium battery can continuum work 3 hours. Power supply : DC 12V. Size:115 X 62 X 24mm. More surveillance products info pls login to contact us.
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     Color CCD bullet camera Color CCD bullet camera CN-BC02

Image Sensor:1/4-inch SONY/SHARP Color CCD image sensor. Effective Pixels: NTSC:512(H)X582(V) PAL:512(H)X492(V). Signal System: NTSC/PAL. Horizontal Resolution: 420-480TV Line. Minimum Luminance: 0.1Lux/F1.4. Lens Mount: 3.6mm. Back Light Compensation: ON/OFF (Optional). Auto Electronic Shutter: 1/60(1/50) to 1/100,000 sec. Auto Gain Control: Auto. White Balance: On/Off Switch. S/N Ratio: > 50 dB. Gamma: >0.45. Operating Temperature: -20oC to 50oC. Sync. System: Internal. Video Output: 1.0 Vp-p/75 Ohms. Power Source: DC12V,<500mA. More surveillance products info pls login to contact us.
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     DVR card 8 channel 2fps  DVR card 8 channel 2fps CN-9808

Video input: 8 channel video inputs with BNC. Audio input: 2 channel audio input with microphone. Surveillance channel: 2 cards can be inserted in the same PC at most, to form 16 surveillance screen real time display modes. Video resolution: 640 X 480, 352 X 288, 320 X 240 ( both view and playback ). Compression mode: Latest MPEG-4 / H.264. Compression ratio: 60-150M/C/H (60-150M of hard disc each channel per hour). Video total frame rate: 240fps in NTSC, 200 fps in PAL for display and recording. Operating system: Windows2000 Professional / Server / XP. Network protocol: TCP/ UDP. Network port: 9000/9001/9002. More surveillance products info pls login to contact us.
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     HDD recorder and player DVR HDD recorder and player DVR CN-DHP750

CN-DHP750 can record video program to internal HDD/ USB device as MPEG4 format( DVD resolution), powerful timeshift function,it can instant/timer record TV program, recorded file can be play by PC and other player. You can also copy media files from PC/USB device to internal HDD and play the media files to TV. This product records rograms in digital mode, providing convenience for reviewing the ecorded programs. Besides, it could be connected to PC, providing easy connection for uploading recorded files or downloading multimedia files, like AVI, MPEG1, MPEG2, JPEG, BMP and MP3 files, be treated as a personal media recording and playing device. More surveillance products info pls login to contact us.
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     Long range 24G wireless AV transmitter receiver Long range 24G wireless AV transmitter receiver CN-NEW2W

This is a amazing products that connect your equipment, like VCR, DVR, Video camera, AV equipment or satellite system to become wireless! You can have four of these receivers running in the one location as there are four selectable channels. With this gadget, you can have your video and stereo audio transmitted from one place to another even thru walls. You can find a whole bunch of uses with it. Features: Ttransmitter power: 2000mW. Effective range: up to 2 Kilometer line of sight, 900-1200 meter with walls in between. 4 channels provided as options to ensure clear reception of video and audio. Stereo audio function: perfect for using with DVD, camcorder, satellite system, or stero. Audio modulation: FM. Signals transmitted: Video and Audio (L & R channel). Hi-efficiency and special antenna. Input and output: RCA Jack for Video and Audio (L & R). Power on LED indicator. Body: All metal with metallic paint, rust resistant. Power source: DC9V/12V 500mA . Dimensions: 120mm X 60mm X 30mm. More surveillance products info pls login to contact us.
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     Mini DVR JS28 & Button/Screw camera set  Mini DVR JS28 & Button/Screw camera set JS208

The size of this Mini micro DVR Portable Pocket Video Recorder is 2 1/4" x 2" x 1/2"; it comes with its own Button/Screw Camera that is powered by the micro DVR. For wearable video recording devices where the need for concealment is paramount and one can understand why this is the first choice of professional private investigators. Micro DVR has Professional high resolution recording capability. The display on the unit is 1.5" and has the time/date stamp on the screen. View playback on the unit itself or through your computer by using the included USB cable. Uses a mini SD card (not included) This unit has a power save function, after 3 minutes of non use it will "sleep", tap the play button and the unit will resume. The Micro DVR JS208 Specifications: 1.5 LCD TFT display. 640 x 480, 322 x 240, 220 x 120 at 30FPS. Supports up to a 4GB mini SD card. Recording format AVI, ASF, MOV. 45MB built in memory. AV in and out jacks. 5V DC. Size: 2 1/4" x 2" x 1/2". The Button/Screw camera Specifications: 1/3 Color CMOS with Audio. NTSC / PAL / EIA. 420 TV lines resolution. 6mm Lens. 64 deg FOV. 0.3 LUX (Note: the manual states 3.0, the correct lux for the camera is 0.3 ). 5V DC. This body worn camera can be used as a spy cam with the assorted lens. You can choose from the assorted button lens in different sizes or the screw lens in silver or black, all included with this complete spy camera set. More surveillance products info pls login to contact us.
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     Mini DVR JS38 & Mini camera JS618 Mini DVR JS38 & Mini camera JS618 JS308 & JS618

Mini DVR JS308 Specifications: 2.0 inch LCD TFT display with 960X240 Resolution. 640 X 480, 320 X 240, 160 X 120 at 30FPS. Directly Connect and Power an external camera. Interchangeable standard mobile Li-ion Battery. 4 Hours High Res Recording on 4 GB Mini SD Card. 45 Hours Low Res Recording on 4 GB Mini SD Card. Video IN (RCA) Cable for Use with Any Camera. Time/Date stamp function (Can set ON/OFF by hand). Supports up to a 4GB mini SD card. Recording format AVI. 45MB built in memory. AV in and out jacks. USB 2.0 interface. 5V DC. Size: 67X55X15mm. Mini camera JS618 Specifications: 1/3 Color CMOS with Audio. NTSC / PAL / EIA. 420 TV lines resolution. 64 deg FOV. 0.3 LUX (Note: the manual states 3.0, the correct lux for the camera is 0.3 ). 5V DC. Dimensions ( W XL X H) : 34 X22 X10 mm. The mini pinhole camera is a new generation COLOR CMOS. The video quality is truly astonishing. This body worn camera can be used as a spy cam with the assorted lens. You can choose from the assorted button lens in different sizes or the screw lens in silver or black, all included with this complete spy camera set. More surveillance products info pls login to contact us.
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     Mini DVR JS38 & Spy button camera SY-MCS  Mini DVR JS38 & Spy button camera SY-MCS JS308 & SY-MCS

Mini DVR JS308 Specifications: 2.0 inch LCD TFT display with 960 x 240 Resolution. 640 x 480, 320 x 240, 160 x 120 at 30FPS. Directly Connect and Power an external camera. Interchangeable standard mobile Li-ion Battery. 4 Hours High Res Recording on 4 GB Mini SD Card. 45 Hours Low Res Recording on 4 GB Mini SD Card. Video IN (RCA) Cable for Use with Any Camera. Time/Date stamp function (Can set ON/OFF by hand). Supports up to a 4GB mini SD card. Recording format AVI. 45MB built in memory. AV in and out jacks. USB 2.0 interface. 5V DC. Size: 67 X55 X15mm. Button & Screw camera SY-MCS Specifications: 1/3 Color CMOS with Audio. NTSC / PAL / EIA. 420 TV lines resolution. 6mm lens. 64 deg FOV. 0.3 LUX (Note: the manual states 3.0, the correct lux for the camera is 0.3 ). 5V DC. The mini pinhole camera is a new generation COLOR CMOS. The video quality is truly astonishing. This body worn camera can be used as a spy cam with the assorted lens. You can choose from the assorted button lens in different sizes or the screw lens in silver or black, all included with this complete spy camera set. More surveillance products info pls login MarginUp to contact us.
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     Mini Pen DVR / Pen camera / Micro spy camera, ideal for spying Mini Pen DVR / Pen camera / Micro spy camera, ideal for spying CN-MP8

This mini interview recorder. Ideal for both spy camera and hidden camera, small enough to conceal almost anywhere!! Wherever you place your mini camera, you'll know for sure that you won't miss anything. The Micro-Camcorder PEN cam is the smallest high resolution, real time digital camcorder ever produced. Easy to use "one touch record" button lets you discretely record any evidence instantly. Camera Technical Parameter : Dimension: 150mmx15mmx15mm. Weight: 30g. Video compression : AVI video format,352x288. Voice recording: Yes. Internal memory: Yes. Flash:1 GB or 2 GB. Recording mode :continuous recording until memory is full or manually off. Adaptor type: USB adaptor charging cable. Battery type : Lithium-ion. Record time : up to 5h. Battery use time : about 3h. Tiny size makes it ideal for a variety of uses. It's great for use as a hidden cam, spy cam , etc. Real time recording in AVI video format. Color video with voice lets you clearly see who's there and hear what they say. Place it up high or conceal it down low. With built-in rechargeable battery so there's no long cord for you to hide. Playback video on PC. More surveillance products info pls login to contact us.
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     Pocket mini wireless receiver and recorder Pocket mini wireless receiver and recorder PVR-628

New All-In-One Solutions. It is a 2.4GHz mini Wireless Camera, and it is a LCD monitor with built-in receiver, it is a MP3 / video / photo player, and most importantly, it is also a Video Recorder, it can support wireless camera recording and cabled AV recording TV programs, and real-time clock display during video recording. PVR Specification: System:PAL / NTSC. Receiving Frequency:CH1:2.414GHz, CH2:2.432GHz, CH3:2.450GHz, CH42.468GHz. Supply Voltage:5V. Current Consumption:250mA - 550mA. Receiving Sensitivity:- 88dBm. Antenna input impedance:75 ohm. Video output level:1Vp-p. Audio output level:1Vp-p. Music Format:MP3, WMA, OGG, AC3. Video Format:AVI, MPEG1, MPEG2,MPEG4, VOB, DAT. Picture Format:Pixel(max), support photo browse. Memory:Flash memory. Sound effect mode:Jazz, party, dance, heavy bass, disco, soft, active, hall, flat, rock-and-roll, strong. Recording and playing mode:Normal play, single song repeat, all song repeat. Signal-to-noise ratio:Higher than 85db. Display Screen:LCD screen, AUO 2.5 inches. Whether convenient for storing:Yes. Capacity of memory:Support the SD card with capacities of 128MB/256MB/512MB/1GB/2GB. Supporting languages: English, Chinese(Simple & Traditional Chinese), French, Portuguese, Italian, Spanish, Dutch. Battery specification:4.2V 1300mA. Charging time:The charging time of adapter is 4 hours. Playing time:2.5 hours for normal play, and 2 hours for playing monitoring image. PC interface mode:USB 2.0 Port. Video outlet:RCA. Supporting computer systems:Windows98SE/ME, Windows2000, Windows XP. File transmission:Bus writing velocity > 6MB/s, reading velocity>7MB/s (for operating system only). Software update:Support. Size:72 X 105 X 24 mm. Power supply:Built-in lithium battery, power adapter . More surveillance products info pls login to contact us.
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     Professional long range spy ear Listening Device Professional long range spy ear Listening Device CN-RX08

Keeping you in touch, at a single touch! The RX-08 is a combination transmitter & receiver listening device that contains a special quart receiver as well as a quart oscillator transmitter. The performance and ease - of - operation of this unit are unbeatable. No conventional wireless microphone that uses a FM radio for listening can possibly compare. Features: The distance can up to: 300 to 500 meters. The required conversation can be heard simply by turning on the switch, since the frequency is fixed by the quartz oscillator. Ultra-compact design: Both the transmitter and the receiver have been designed as ultra-compact units that offer optimum performance. The small size of the specialist receiver is particularly useful it will even fit into the breast pocket of a business shirt! Special frequency: Because the units are locked onto a dedicated special frequency, there is no possibility of listening to the transmission with other receivers. Outstanding performance: The long range of the waves transmitted by the RX-08 outstrips than on all conventional wireless microphones, making it possible to pick up voices clearly even at distant locations. 2-channel system for RX-08: This unique system make it possible to listen to conversations at points A-B 2 by using transmitters A.B 2 in conjunction. (This specification is only RX-08) Recordings: Conversations can be recorded even while listening to them with the earphones. Simply connect the receiver to a portable pocket tape-recorder with a cord and operate the devices manually... even with htem in your pockets! (The size of tape jack is 3.5mm) Do not take off earphone, because the earphone cord serves as the antenna for this unit. Dimension: Receiver: 47 X 86 X 18mm. Room voice transmitter: 31 X 44 X 15mm. Telephone voice transmitter: 19 X 44 X 14mm. Retail box: 150 X 120 X 25mm. More surveillance products info pls login to contact us.
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     Super mini 12GHz wireless screw camera with Audio Super mini 12GHz wireless screw camera with Audio CN-SCREW02

This mini spy camera is disguised as a screw to give you the thrill of doing secret agent tasks like 007.The Color Screw Camera incorporates a high resolution color camera built into a silver screw.The Color Screw Camera is perfect for covert operations. The system operates on a 9 volt battery.The camera will connect to any portable recording device with video input capabilities! Features: CMOS color / 1.2 GHz/ wireless/Audio. Rule:PAL/CCIR NTSC/EIA. Effective picture element :PAL:628x582 NTSC:510x492. Horizontal definition :380 Line. Minimum Illumination: 3.0 Lux. Scan Frequency: PAL/CCIR: 50Hz, NTSC/EIA: 60Hz. Sensitivity: +18DB - AGL ON-OFF. Transmitter power: 50mW . Distance: 50 - 100M . Electric power: DC8V/9V . Current: 500mA. Power Consumption: <= 640mW. Size: 20x20x20mm More surveillance products info pls login to contact us.
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     USB 2 DVR card for laptop 4 channel USB 2 DVR card for laptop 4 channel CN-UVR01

USB 2.0 DVR SURVEILLANCE SYSTEM (4 CHANNELS) is the safety system of ideal design for home/office/shop guard or baby care purpose; users can do their own security by easy installation. It is the cost-effective solution to replace commercial VCR tape recorder, which also supports stable digitize video record and easy manages the recorded data via index of date and time. That is it, makes your life more safety and easier. More surveillance products info pls login for details.
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     Waterproof and night vision CCD camera Waterproof and night vision CCD camera CN-651/2

Image Sensor: 1/4-inch Sony ccd. Effective Pixels: PAL:512(H)×582(V) NTSC:512(H)×492(V). Signal System: NTSC/PAL. Horizontal Resolution: 420TV Line. Minimum Luminance: 0.0Lux/F1.2. Lens Mount: 3.6mm. More surveillance products info pls login to contact us.
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     Wireless Camera LCD Monitor Receiver  4-Channel 24 GHz  Wireless Camera LCD Monitor Receiver 4-Channel 24 GHz CN-PLR01

Small palm size of receiver for mobile usage. 2.5'' LCD screen with 480 x 234 resolution. Rechargeable Li-battery for wireless receiver, enable at least 2 hours continuous working. 4 channel available for multi-camera working. Built-in microphone for audio monitoring. Suitable for monitoring children and elders, and widely used for theft prevention, after-hours surveillance, home security, etc. Frequency: CH1= 2.414GHz, CH2= 2.432GHz, CH3= 2.450GHz, CH4= 2.468GHz. More surveillance products info pls login to contact us.
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     Wireless Camera LCD Monitor Receiver/ RecorderDVR/PVR Wireless Camera LCD Monitor Receiver/ RecorderDVR/PVR JS928

New All-In-One Solutions. It is a 2.4GHz mini Wireless Camera, and it is a LCD monitor with built-in receiver, it is a MP3 / video / photo player, and most importantly, it is also a Video Recorder, it can support wireless camera recording and cabled AV recording TV programs, and real-time clock display during video recording. PVR Specification: .5" TFT LCD (882x228 Resolution). Video Format: Mpeg-4,AVI (640 or 320 at 30fps) MP3,Wav. Recording: AVI format Mpeg-4 video, Support Both PAL and NTSC. Built-in Memory: 64MB. Memory Support: SD: 16M to 4GB./ Usb-Disk storage up to 20GB. Built-in high-capacity polymer lithium battery, about 5 hours play time . USB 2.0 and OTG interface supportable. Frequency: CH1=2414MHz; CH2=2432MHz; CH3=2450MHz; CH4=2468MHz. This receiver can work with all of our 2.4GHz wireless camera. More surveillance products info pls login to contact us.
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     Wireless CCD spy camera cellphone Wireless CCD spy camera cellphone CN-SPY008

This Nokia style, non-functioning, cell phone has a built-in hidden color CCD camera and wireless video & audio transmitter that sends color video & audio to the included portable receiver and recorder PVR-JS928. Use this kit you can get the high quality video and audio, the recorded video format is AVI 640 x 480 at 30fps, Used in sting operations and for evidence gathering, this hidden camera is the real deal. Camera Specifications: Color CCD 2.4 GHz wireless with Audio. Rule:PAL/CCIR NTSC/EIA. Effective picture element :PAL:628x582. NTSC:510x492. Horizontal definition :420 Line. Minimum Illumination: 0.5 Lux. Scan Frequency: PAL/CCIR: 50Hz, NTSC/EIA: 60Hz. Sensitivity: +18DB - AGL ON-OFF. Electric power: DC3.7V. NOTE: this camera no real cellphone function. More surveillance products info pls login to contact us.
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     Wireless color camera with audio Wireless color camera with audio CN-609CA

The World's Smallest Wireless Color Camera with Audio, it's so small you can hide anywhere! It is easy to setup and simple to operate. Everything you need is included! ...just hook it up to your TV and/or VCR, and you're ready to go! Whether you're an investigative professional, a weekend surveillance enthusiast, or just looking for a little security or reassurance, It is perfect for the job! Product Feature: CMOS color / 2.4GHz/ wireless/Audio. Frequency contorl: adopt CPU frequency lock the wreath to control, with high frequency stability. Rule:PAL/CCIR NTSC/EIA. Effective picture element :PAL:628x582 NTSC:510x492. Horizontal definition :380 Line. Minimum Illumination: 3 Lux. Scan Frequency: PAL/CCIR: 50Hz, NTSC/EIA: 60Hz. Sensitivity: +18DB - AGL ON-OFF. Output power: 50 - 300mW . Distance: 50 - 500M . Electric power: DC5V~9V . Current: 200mA. Power Consumption: <= 640mW. Size:25x35x15mm. More surveillance products info pls login to contact us.
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     Wireless Color Pinhole Camera built-in rechargeable Li battery Wireless Color Pinhole Camera built-in rechargeable Li battery CN-7088CA

The World's Smallest Wireless Color Pinhole Camera with Audio, it's so small you can hide anywhere! It is easy to setup and simple to operate. Everything you need is included! ...just hook it up to your TV and/or VCR, and you're ready to go! Whether you're an investigative professional, a weekend surveillance enthusiast, or just looking for a little security or reassurance, It is perfect for the job! Features: CMOS color / 2.4 GHz/ wireless/Audio. Frequency contorl: adopt CPU frequency lock the wreath to control, with high frequency stability. Rule:PAL/CCIR NTSC/EIA. Effective picture element :PAL:628x582 NTSC:510x492. Horizontal definition :380 Line. Minimum Illumination: 3 Lux. Scan Frequency: PAL/CCIR: 50Hz, NTSC/EIA: 60Hz. Sensitivity: +18DB - AGL ON-OFF. Output power: 50 - 300mW . Distance: 50 - 500M . Electric power: DC5V . Current: 200mA. Power Consumption: <= 640mW. Size:45x38x65mm. More surveillance products info pls login to contact us.
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     wireless sony CCD hidden cellphone camera wireless sony CCD hidden cellphone camera CN-SE007

Wireless color SONY CCD hidden camera includes(built in 400mW transmitter) Non-Functional Cell Phone. This product has an ultra miniature video camera hidden inside. This high quality covert hidden camera is perfect for surveillance! Features SONY CCD color / 1.2 GHz/ 4 Channel wireless/Audio. Rule:PAL/CCIR NTSC/EIA. Effective picture element :PAL:628x582 NTSC:510x492. Horizontal definition :420 Line. Minimum Illumination: 0.5 Lux. Scan Frequency: PAL/CCIR: 50Hz, NTSC/EIA: 60Hz. Sensitivity: +18DB - AGL ON-OFF. Transmitter power: 400mW . Distance: 200 - 500M . Electric power: DC3.6V to 12V . Current: 500mA. Power Consumption: <= 640mW. More surveillance products info pls login to contact us.
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     Wireless spy hidden smoke detector camera Wireless spy hidden smoke detector camera CN-SDC007

This is the smallest wireless CCTV system that has ever built in the world. It is small size, lightweight, low power consumption, high sensitivity, easy to install, operate and also easy to conceal. You are bidding on a hi-tech device, which are suitable for facilities in the supermarket, shop, department store, warehouse, school and home, Radio Control R/C plane boat and car! More surveillance products info pls login to contact us.
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     Wireless spy mini pinhole camera  Wireless spy mini pinhole camera CN-708CA

The World's Smallest Wireless Color Pinhole Camera with Audio, it's so small you can hide anywhere! It is easy to setup and simple to operate. Everything you need is included! ...just hook it up to your TV and/or VCR, and you're ready to go! Whether you're an investigative professional, a weekend surveillance enthusiast, or just looking for a little security or reassurance, It is perfect for the job! Features: CMOS color / 1.2 GHz/ wireless/Audio. Rule:PAL/CCIR NTSC/EIA. Effective picture element :PAL:628x582 NTSC:510x492. Horizontal definition :380 Line. Minimum Illumination: 3 Lux. Scan Frequency: PAL/CCIR: 50Hz, NTSC/EIA: 60Hz. Sensitivity: +18DB - AGL ON-OFF. Output power: 50 - 300mW . Distance: 50 - 300M . Electric power: DC8V/9V . Current: 200mA. Power Consumption: <= 640mW. Size:20x20x21mm. More surveillance products info pls login to contact us.
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