Find the image of your door window sensor below to view instructions on how to complete your battery replacement.
Qolsys QS1135-840 Door Window Sensor
Insert a screwdriver into the slot found on the top/bottom of the cover to remove, then remove and replace 2 CR2032 batteries
Interlogix 60-362N-10 Door Window Sensor
Press end latch to remove the cover, then remove and replace the CR123A lithium battery
Interlogix TX-E201 Door/Window Sensor
Slide cover up to remove, then remove and replace the CR2032 lithium battery
Interlogix / GE Security TX-1012-01 Micro Door Sensor
Insert a coin or screwdriver into the slot and twist to open, using a screwdriver to then pry open the inside cover. Remove and replace CR2032 battery.
Interlogix 60-688-95 Micro Door Sensor
Use a screwdriver to pry open the backplate, then pry off the cover. Remove and replace CR2032 battery.
SW-ATT-V2 Mini Door/Window Sensor
Use a screwdriver to pry open the backplate, then pry off the cover. Remove and replace a CR2032 battery with the (+) face up.