... power off alarm history Wireless Home Burglar Security Alarm System with Intercom, Voice Record, and KeypadModel: YL-007M2B HOT-SELLING! ... 7 wired and 99 wireless defense zones;2. LCD screen with time clock display;3. Voice prompt for all operations;4 ... detector,gas detector,heat/ temperature detector,wireless flash siren,glass break sensor,water detector,panic button,etc.main panel wired portsThe ...