Honeywell Ademco 5802MN Wireless Emergency Transmitter Honeywell Ademco 5802MN Wireless Emergency Transmitter is compatible with Honeywell Ademco home security systems. The 5802MN panic button is a sleek entirely supervised portable panic device. The alarm is activated by a single button press making it very easy to trigger the alert. Can be used as a pendant or a belt clip (belt clip included) for additional mobility. Ships with lithium battery, user-changeable.