VisorTech
set of 4 Wireless Door & Window Sensors for XMD Series Alarm Systems

Expand your alarm system XMD-4400.pro or MXD-5400.wifi: Ensure security at doors and windows quickly and easily with this particularly narrow wireless detector.

Alerts immediately: If a door or window is opened unintentionally, the alarm siren of your system sounds. By SMS to your cell phone or smartphone you know quickly.

Best in the picture: Thanks to freely configured zones, you also know immediately where the alarm was triggered!