... controllers;5.Built-in high-volume speaker, and artificial intelligent digital voice announcer;6.10-second voice recording;7.Can preset ... , (850/900/1800/1900MHz) Module10.One-key-control: out arm, home arm, arm by remote controller or telephone;11.SOS, fire ... :Smoke Detector,Glass Sensor,Panic Button, Wireless keypad… New GSM alarm system with LCD display and Touch keypad