10Packs Wireless Door Window Alarm 90DB Wireless Sensor Alarm you can take it with

you can take it with you

4 x screws

light and durable metal steel mesh net

Thickness:16 MM

Guide plate position adjustable

10Packs Wireless Door Window Alarm 90DB Wireless Sensor Alarm you can take it withDoor Window Alarm Security Alarm Home Security Wireless Alarm 10pcs Super loud 90 dB alarm. When someone opens the door or window illegally (the relative position of the primary and secondary parts changes), the alarm can issue a strong alarm, warning the intruder to leave and reminding the owner Magnetic sensor switch detects your door or window. The alarm gives out a clear and loud sound when an intruder breaks in. Wireless magnetic sensor switch.