Low Battery: Motion Sensor

If a Motion Sensor reports a low battery, we recommend replacing it as soon as possible (although you will typically have a few weeks before completely drained). Please use the below photos to identify the sensor model for which was reported to have a low battery, and refer to the corresponding directions to replace the battery.

This Motion Sensor takes 1 CR123A battery and the typical battery life for the sensor is 3-5 years.

• Press in on the rectangular-shaped tab on bottom of the Motion Sensor while pulling the cover to remove the front cover of the Motion Sensor. You may need a small screwdriver or fingernail to push on the tab.
• You can then replace the CR123A battery on the inside of the sensor.
• When the battery has been replaced properly, you will see a little red light flicker. Keep note of the + and - indicators in the battery compartment.
• Close the sensor by attaching the top end of the sensor first then pressing the front cover back on face of the Motion Sensor until you hear a click. 

This Motion Sensor takes 2 AAA batteries and the typical battery life for the sensor is 2-5 years.

• Press in on the grooved button on bottom of the motion detector to remove the front body of the motion detector.
• You can then simply replace the AAA batteries in the back side of the body.
• Close the sensor by hooking the top end in first followed by the bottom end.

This Motion Sensor takes 2 AA batteries and the typical battery life for the sensor is 2-5 years.

• Press in on the grooved button on top of the motion detector to remove the front body of the motion detector.
• Press and squeeze the 3 tabs near the back of the body (two on top and one bottom) while pulling on the front of the body to remove the front cover.
• You can then simply replace the 2 AA batteries on either side of the body
• Close the sensor by first reattaching the front outer casing. The close the back by hooking in the bottom end first then snapping the top in.