... off alarm history Wireless Home Burglar Security Alarm System with Intercom, Voice Record, and KeypadModel: YL-007M2B HOT-SELLING!Features:1 ... Home Arm, Remote Arm;12. SOS, fire, gas, door, hall, window, balcony, and boundary places alarm;13. Real-time, delay, 24 ... additional wireless accessories;15. Remote control Arm, Disarm, Monitor, and Intercom by phone;16. SMS alert for power failure or recovery ...