Function: 1.Get into the state of"detecting moving objects" once power on; 2. Automatically take photos/record once detecting moving objects; 3. Stop taking photos when the moving objects stop moving; 4. Use 2.4GHz (4 channels) wireless work frequency for wireless sending and receiving; 5. WVR620, with a 128M SD Card, can store about 1000 photos/200 video clips; 6. Support maximally 2G SD card which can greatly enlarge the storage of images; 7. Video recording conforms to the principle of "First in, First out" ,overwrite, record forever; 8. Can connect 4 wireless cameras simultaneously, can watch all the pictures by turn, but only one picture can shoot; 9. Support all kinds of CCTV cameras (CCD, CMOS); 10.With ports of "outside triggers shooting" and "motion detect signal trigger output"; 11. Can be linked to all kinds of alarm system or visual door phone system, forming a new shooting alarm system; 12.The images stored in internal memory or SD card won't lose when power off; 13. Support video signal of NTSC/PAL; 14. The detecting scope, sensitivity and the interval can be reset; 15. The shooting date is stored as file name. 16. Can look for, and check images/video according to the shooting date; 17. Has the simple menu for operation, no need to install any software; Parameters: Supply Voltage: DC5V Work Current: 500mA Camera Work Voltage: DC12V Camera Work Current: 300mA Frequency: 4 channels: 2.414/2.432/2.450/2.468(GHz) Emissive Power: 80mW Work Temp: -10~ +50 Image Sensor: CCD Video Input: 75Ω Typ Video Output: 75ΩTyp Internal Storage: 16M~128M File Format: Photo with JPEG Video with AVI Photo Pixel: 640x480 Video Pixel: 320x240 Record Time: Every recording time ≥10S SD Memory Card: (optional accessory) Max Memory: 2G Numbers of Photo: about 28,800pcs Record Segment: about 4,380 (time of each record≥10) Package: Product Spec: L: 130mm; W: 109mm; T: 26mm; G.W.: about 750g Packaging: Box Spec: 480*300*375(cm