Wireless Window Door Home Entry 105db Alarm Magnetic Sensor Security Alarm

Description:
Material: plastic.
Size: 53*35*20mm.
Color: show as pictures.
Powered by 3*AG13 battery(included).
Features:
* Magnetic sensor switch detects entry protecting your home or office whether you are in or out.
* Easily mounted by adhesive tape to window or door.
* Power by 3 x 1.5V LR44 button batteries(included).
* When people illegally open the case or windows, the alarm and attachment are separated, the alarm could be a strong siren to deter thieves.
* Widely used in internet bar, residence, office and store. The alarm volume could reach 105 dB.
Operation:
* Use the double side adhesive tape to fix the main unit at the side of the door / window.
* Attach the bar magnet to door frame / window frame with the arrow aligning with the reference line of the main unit.
* Test the setup by switching the system to "ON" position of the main unit and see whether the alarm can be triggered by opening the door / window

Package include:
1 * Magnet Sensor.
3 * button batteries.

• Suitable for Doors or Windows
• Simple peel and stick installation
• Perfect for Home,Office, Dorm room and even Rv’s