Discreet but safe - for securing windows and doors.The Secvest 2WAY Mini wireless opening detector is compatible with: Secvest 2WAY, Secvest IP and Terxon (via wireless extension module)Any unauthorized opening of doors and windows is detected by the magnetic contact and reported to the alarm center. The optimal installation location for the Secvest 2WAY Mini wireless opening detector is in the middle of the door or window frame. Installation on the lower window frame is also possible - this way a tilted window can be monitored.The Secvest 2WAY Mini wireless opening detector impresses with its compact design, which ensures discreet use. It is available in white, brown and silver.