Wireless Door Burglar Alarm Magnetic Sensor with Remote Controller

This wireless magnetic door alarm sounds a 108dB siren with light when the sensor detects a door or window opening, helping warn you and deter intruders. It is triggered by magnet and vibration and works with the included remote controller, which supports arm, disarm, emergency alarm and doorbell functions. One remote can control multiple alarms. The alarm runs on 2 x AAA alkaline batteries and the remote on 1 x 27A alkaline battery; batteries are not included. Housing is ABS in white, with 433MHz communication frequency and an installation distance under 1cm between sensor and magnetic strip.

What's in the box
1 x Magnetic Door Alarm
1 x Remote Controller
1 x Magnetic Strip