... SMS alert for power off alarm history Wireless Home Burglar Security Alarm System with Intercom, Voice Record, and KeypadModel: YL-007M2B ... alarm when power off.Components listMain panel 1 pc,Remote controller 2 pcs,Siren 1 pc,PIR sensor 1 pc,Door ... CE approved.Welcome to visit our booth at South Africa Security Fair.Gallagher convention center, Johannesburg, South Africa28-30th, Nov. 2012Booth ...