... 2.Compatible with factory security system Two Way Auto Alarm SystemPrimary Function: 2-Way Car Security System ... Vibrating, Clock, Temperature Monitor, Auto Door Lock, Battery Life, Temp Control Start Mode, Alarm Arming, LCD Backlight, Turbo ... W - Dimension: 78 (Diameter) x 75 (H) mm Alarm Modes: Standard, Silent, Panic Mode, Valet Mode Working Temperature ... in all communications Two Way Auto Alarm System