... sensor Wireless Home GSM alarm system with Quad-band1.LCD English blue back-light display, voice prompt, ease of use. 2.Support ... disarmed function.5. Support configuration via phone ( handset ) or SMS messages to System Setup text messaging costs associated with the ... 10 seconds.9.Telephone (phone) long-distance telephone control for arming, disarming, monitoring,remote announcement. 10.One set of ...