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baby monitorDetailed Product Description Wireless Camera Kit/Digital Camera Kits/With Night Vision Features: Digital wireless kits; Super image quality with vivid pictures; Stable signals, anti-interference technology; Transmission distance open area: 200meters; Two way speak for camera and its matched receiver; Built-in Li battery works for 2-3 hours continously; Specification: Camera: TV System: PAL/NTSC; Valid pixel: 628(H)*582(V)/PAL; 510(H)*492(V)/NTSC; Image device: 1/4" CMOS image sensor; Horizontal Definition: 380 TVL; Transmission Signal: Video/Audio; Minimum Illumination: 3Lux/F1.2; Scan Frequency: PAL/CCIR:50Hz; NTSC/EIA:60Hz; Open transmission distance: 200M; Power:DC5V/800mAh; Transmission power:17dBm; Transmission frequency: CH1:2.414GHz; CH2:2.432GHz; CH3:2.450GHz; CH4:2.468GHz; Receiver: Sensitivity<=-85dBm; LCD:2.4" TFT LCD; Power off at low voltage: Power off automatically when voltage is lower than 3.3V; Power: DC5V/1.5A; Size:123*72*24mm; Weight:200g; Receiving Signal:Video/Audio; Battery: Built-in 3.7V/350mAh lithium battery; Power consumption:<=3W;