... monitor,baby cry detector,baby camera,voice activated,50-80M remote distance,alarm upon baby ... offer baby monitor,baby cry detector,baby camera,voice activated,50-80M remote distance,alarm upon baby cry ... surrounding Remote Transmitter,Receiver will be activated to sound baby crying voice.Quite sensitive.•Loud Volume:85- ... ,200PCS Digital Baby Cry Detector Voice Activated Alarm Once Upon Baby Crying