... when someone pass by it. Other motion sensor is availbleMotion sensor:light,shadow,vibration,PIR,IR etcPower by :3pcs OF AA ... . For more details,please kindly contact with me!motion sensor/pir sensor/motion detectorLet the product speak itself. Not forget the ... 9.switch:slip switch,push button,light,light sensor,vibration,timing,tempreture,PIR, IR activated10.Application:dolls,stuffed toy,plushed toy ...