Honeywell Glassbreak Detector Batteries

Honeywell FG8M Wireless Glassbreak Detector

Flip down the front cover, then remove and replace 2 CR123A Lithium batteries

A picture of a honeywell glassbreak detector showing how to flip down the front cover, and the two CR123A batteries inside

Honeywell 5852 FlexGuard Glassbreak Detector

Open sensor door, then remove and replace 9-Volt Lithium battery

a picture of a honeywell glassbreak detector showing how to flip the cover open and the 9 volt battery inside

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