... -second voice record SMS alert for power off alarm history Wireless Home Burglar Security Alarm System with Intercom, Voice Record, and ... : YL-007M2B HOT-SELLING!Features:1. 7 wired and 99 wireless defense zones;2. LCD screen with time clock display;3 ... -immune PIR sensor,smoke detector,gas detector,heat/ temperature detector,wireless flash siren,glass break sensor,water detector,panic button,etc ...