... and advanced touch keypad for easy operation;2.128x64 lattice LCD screen with clock display;3.4 wired and ... 900/1800/1900MHz) Module10.One-key-control: out arm, home arm, arm by remote controller or telephone;11.SOS, ... Volume 110dB Components ListMain panel 1 pc,Remote controller 2 pcs,Siren 1 pc,PIR sensor 1 pc, ... ,Panic Button, Wireless keypad… New GSM alarm system with LCD display and Touch keypad