Where’S The Small Part Of The Ring Alarm Window Sensor

Where should a window alarm sensor be installed? A door and window sensor works best when mounted on a level surface with the magnet on an adjacent surface: one half on the door/window and the other half on the frame of the door/window. Generally, it is irrelevant which half goes where—as long as the two parts are close to one another (within an inch or two).

See also  Does Ring Alarm Require Internet