... wireless alarm system 1.gsm/pstn wireless alarm 2.LED display touch keypad 3.door chime function cost-effective Ademco gsm ... ,French, German...etc 5.Compatible with ADEMCO Contact ID alarm protocol 7.This alarm system contain 15 wireless zones, each zones ... , Telephone/Mobile phone and SMS. 12.Dual-network alarm system,support door bell function 13.Intelligent logic analysis technology, corresponding ...