... and easy handle.2.Backlighting keypad design, comfortable to touch the keypad3.Set up 6 groups alarming telephone numbers ... receivers.5.Compatibility with contact ID,SHIKE communication protocols.6.Arm/disarm by password of keypad, remote controller, and long- ... or circumscribed ,linkage image monitor.10.Learn coding with wireless detector, remote controller (can optional rolling code).11. Onsite alarm ...