Detailed Product Description GSM alarm, wireless GSM alarm system, wireless GSM alarm, home GSM alarm, GSM alarm system, GSM burglar alarm, GSM security 1. Wireless type, easy to install, ... monitoring start on.7. SMS to recheck the GSM panel status, alarm report, zone name, arm/disarm status.8. ... automatically switch tobattery back-up11. Enable to setup alarm receiving central through GSM network.