The 2GIG‐KEY3‐433 4-Button Keyfob Remote is a wireless, battery‐powered key fob. It lets you arm and disarm your security system. The key fob’s compact design fits on a key chain and also includes a convenient wall/belt clip bracket. It also provides convenient options for the following. Arm the System for Stay and Away mode, Disarm the system, Trigger Panic alarms, Turn system controlled lights on and off.