ITEM NAME:Wireless Alarm System PIR Infrared Detector + 2 Remote Control For Home Security Everyone is a moon and has a dark side which he never shows to anybody..Built in pir motion sensorWireless. The motion detector power by 4 AA batteries (not included). 1 x wireless alarm detector (batteries not included). Loud 105 db alarm. When the alarm is triggered,it will sound for 40 seconds.
