... motion sensor Function:it can record your voice and playback when someone pass by it. Other motion sensor is availbleMotion sensor:light ... motion sensor sound box , motion sensor speaker , motion sensor sound box 1.message:voice,music,melody,animal,sound are avaiable 2.function:pre-recorded or recordable with LED ... 9.switch:slip switch,push button,light,light sensor,vibration,timing,tempreture,PIR, IR ...