DSC Motion Detector Batteries
Find the image of your motion detector below to view instructions on how to complete your battery replacement.
DSC WLS904-433 Motion Detector
1. Remove the bottom screw, slide the motion up from the backplate, then remove the compartment screw
2. Remove the cover screw, then remove and replace 2 CR123A* Lithium or 4 AAA Alkaline* batteries
*Note that batteries are stacked and require double what's visible in images.
DSC WLS914-433 Dual Motion Detector
1. Remove bottom screw, then press tab and pull front of motion from backplate
2. Remove and replace 4 AA batteries