... Detector\ 1.audio baby monitor,baby camera,video baby monitor 2.voice activated,50-80M remote distance -audio baby monitor,baby camera,video baby monitor-voice activated,50-80M remote distance, ... or other sound,Receiver will be activated to sound imitated baby crying; Sound Level: 92±5Db; Frequency: 315MHz,433MHz for ... feel free to share with us.Thanks in advance. Digital Wireless Baby Cry Detector