Super Loud: 105db;Wireless Alarm: Built in PIR motion sensor, 2 remote controls included.Adjustable: 110 degree scanning area, adjustable wall mounting bracket.Power Supply: Alarm powered by 4 x AA batteries, remotes powered by 3 x AG13 button cell batteries (included).Suitable For: doors, sheds, garages and more.Specifications:Standby Current: 100uA;Alarm Current: 150mA;Volume of Siren: 105dB;Infrared Detection Distance: 5 m, 110 degrees wideHow to use?1. Turn on the power.2. A green light will for about 20 seconds. During this period you may move around without triggering the siren. This gives you a to leave the room without triggering the alarm.3. After 20 seconds, the green light will go out and the unit is in motion detect mode. At this any motion within 5 m will trigger the siren. Once triggered, the 105db alarm will blare non-stop for 45-50 seconds and then re-sets itself to motion detect mode.4. After the siren, you can turn off the power.Installation :1. Fasten the socket on place 1.4-2 from the ground.2. Open the battery cover, and install 4 AA batteries.3. Fasten the motion detector on the socket, the motion detector's mounting bracket for a precise aim.the manufacturing model: -105colour: whiteMaterial: ABSPackage Contents: 1 * alarm2 * remote control1 * baseOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.