smart doorbell-k8凯发天生赢家一触即发

 smart doorbell-k8凯发天生赢家一触即发
smart doorbell
home>applications>smart doorbell

the smart peephole interate lens, antenna, compact camera module and microphone. plus traditional peephole function, it has more functions such as video phone call, alarm alert, motion detection, light sensor, outside speakers, infrared night vision.

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