Material ABS Brand N/A Model SW121 Color White Quantity 1 Remote Controlled distance 30m Voice Decibels 105dB Battery Type Main body: 4 x AA (included) Other Voltage: 220V AC 6V DC; current: 100mA; detecting distance: 10 meters 110 degree; with IR detection multi-channel long distance control; 100% accurate alert. Avoid IR detector being installed near cold/hot object and straight to the door. There should be no barrier in the IR detector area. The IR detector and wall should be 10~30 degrees intersection angle so that detecting area is the largest. Packing List 1 x Main machine 2 x Remote control (3 x AG13) 1 x Connector