Door / Window Entry Alarm independent door alarm

1. Easy to install 
2. Mount to window/door 
3. Wireless unitBurglar Alarm Door Window Entry Alarm Magnetic Sensor Alarm Entry 
Warning 
1. Easy to install--just peel and stick. 
2. Alarm is activated when the two pieces are separated. 
3. Ideal entry warning for homes, apartments, mobile homes, dorms, offices, hotel 
Rooms, garages, and more! 
4. Electronic Magnetic Sensor detects entry 
5. Easily mounted to windows or doors with included mounting tape 
6. Convenient on/off switch 
7. Wireless unit has no cords 
8. The product can be installed directly on doors and windows. 
9. Product dimension: 
Main unit: 6cm* 3cm*2cm 
Bar magnet5.4cm*1.3cm*1.1cm