- Place of Origin: Guangdong, China (Mainland)
- Usage: Door
- Function: hearing,speaking,alarm and video
- compression format: H.264
- Resolution: 1280*720P
- lens:: 3.6mm lens
- IR distance: 10m
- Sensor: 1/4 cmos, AHD sensor
- characteristic: when someone rings the doorbell,they call you at once
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