... motion sensor is availbleMotion sensor:light,shadow,vibration,PIR,IR etcPower by :3pcs OF AA batteryRecordable duration can ... house,IC,microphone,AA or AAA battery 5.power supply:AG13,AG10,AG3 button cell,AA or ... even if power off. 9.switch:slip switch,push button,light,light sensor,vibration,timing,tempreture,PIR, IR activated10.Application: ... /ODM are welcome Motion sensor doorbell/Wireless doorbell