Find the image of your door window sensor below to view instructions on how to complete your battery replacement.
Interlogix 60-670-95R/NetworX NX-450/NX-451 Slim Line Door Sensor:
Press end latch to remove the cover, then remove and replace 2 AAA Alkaline batteries
Honeywell 5816 Door Window Sensor:
Press end latch to remove cover, then remove and replace SAFT LS14250 or CR123A Lithium battery
Ecolink WST-200/WST-201 Door Window Sensors:
Slide cover to remove, then remove and replace CR2032 Lithium battery
