Features:
1.Electronic Magnetic Sensor detects entry.
2.Alarm is activated when the two pieces are separated.
3.Gives an alarm if someone opens the door or the window.
4.The alarm stops when the two parts recombined.
5.Alarm with ON/OFF switch for easy operation.
6.Super loud 105 db alarm sound.
7.Ideal entry warning for homes, apartments, mobile homes, dorms, offices, hotel rooms, garages, and more!
8.Clean-stick adhesives behind units.
9.Easy to install--just peel and stick.
10.Easily mounted to windows or doors with included mounting tape.
11.Steady and convenient to use.
12.Wireless unit without any cords.
 Specifications:
1.Color: White
2.Housing: Plastics
3.Alarm volumn:105 dB
4.Battery:3 x LR44 1.5V button cells (included)
5.Mode of reaction: Separate from magnetism
6.Method of installation: Riveted with mounting tape
7.Dimensions of the alarm: 21*35*54mm
weight:50g