The Watchman Remote Controller interconnects with and allows you to test and hush your Watchman AJ-760SI alarms from the Remote Controller – eliminating the need to climb up a ladder or find the kitchen broom. The Watchman Remote Controller comes with a wall bracket for convenient placement and quick access. RF technology and connects with AJ-760SI wireless alarms Replaceable DC12V alkaline battery Hush and Test your alarms from the Remote Controller Easy to install Wall bracket for convenient placement 2 year warranty