Radio mini-barriers for the protection of doors and windows, height 2.5m, with robust profile. Suitable for both indoor and outdoor installation. Adjustable beam height. Double tamper protection. Transmission of alarm, reset, tamper, battery discharged(in equipment)and supervision alerts. Maximum distance: 4 metres. COMPATIBLE ONLY WITH MODULE RADIO 30003201C, VEDO FULL RADIO, EASY SAFE FULL RADIO.