10Packs Wireless Door Window Alarm 90DB Wireless Sensor Alarm The 8 buckle belts were

The 8 buckle belts were packed inside the heat wrap roll

Guide plate position adjustable

4 x screws

Pre-drilled mounting holes design is convenient for installing

you can take it with you

10Packs Wireless Door Window Alarm 90DB Wireless Sensor Alarm The 8 buckle belts wereDoor 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.