(5-Pack) Honeywell's 5853 wireless ice cream break detector offers uncompromising performance and unparalleled immunity with false alarm. 5853 can be mounted to any wall or ceiling within 25 inches, without minimal range. The LED lights indicate test mode, alarm and problem conditions. It is compatible with all 5800 series wireless devices. Includes a battery, screws and anchors, and double-sided mounting tape.