Low Battery: Door/Window, Garage or Glassbreak Sensor

If a Door/Window, Garage or Glassbreak 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 Door and Window Sensor uses 1 CR1632 battery and will last 3-5 years.

• To open the transmitter (larger piece) there is a tab on the corner of both the top and bottom of the sensor.  Pry open at one of those tabs to separate the two halves of the casing.
• To remove the battery, push on the side of the battery near the positive symbol on battery cover to slide it out. The positive side should face up.
• Once you have replaced the batteries, replace the cover by lining up the two halves and snapping it back together. You should hear an audible click to confirm the sensor is closed tightly. 

This Door and Window Sensor uses 2 CR2032 batteries that will generally last 3-5 years.

• Remove the cover of the the transmitter (larger piece) from the base by pressing in on the rectangular latch on one of the short ends of the sensor.
• Slide both batteries out of the metal compartments and replace with the new ones. The batteries are installed positive side up.
• Once you have replaced the two batteries simply close the casing by first hooking in the short end opposite of the rectangular tab you used to open the sensor. Then snap the tab itself back in.

This Door and Window Sensor uses 1 CR2032 battery that will generally last 3-5 years.

• Remove the outer cover of the transmitter (larger piece) from the base using either a flat-head screwdriver or a penny and inserting it into the notch in the corner.
• Insert the screwdriver or penny between the edge of the sensor and the inner cover on the narrower side of the sensor. Be careful to not insert any object into the holes on the inner cover to prevent damage to the sensor.
• Carefully lift the circuit board out of the sensor. Slide the battery out of its compartment and replace replace with the new battery. The battery is installed positive side up.
• Once you have replaced the battery first place the circuit board back into the casing then line up and snap in the inner cover. Last secure the body back to the outer casing by lining it up and snapping it back in as well. 

This Door and Window Sensor uses 1 CR2032 battery that will generally last 3-5 years.

• Remove the outer cover of the the transmitter (larger piece) from the base using a small flat-head screwdriver.
• Slide the battery out of the compartment and replace it with the new battery. The battery is installed positive side up.
• Once you have finished swapping out the battery, snap the outer cover back over the sensor.

The Long Range Door and Window Sensor uses 1 CR123A battery that will last 3-5 years.

• To open the sensor, press in on the plastic above the protrusion on one of the two short ends to open the cover and reveal the battery.
• Pop the CR123A battery out of the compartment to replace.
• Insert the new battery into the compartment. Please take note of the + and - symbols inside of the compartment.
• Once the battery is replaced, replace the front cover back on the face of the sensor.

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

•  To open the sensor, press in on the plastic above the protrusion on one of the two short ends to open the cover and reveal the battery.
• Pop the CR123A battery out of the compartment and replace it with the new batteries positive end facing towards the spring.
• To replace the sensor cover on the base, put the bottom of the sensor together first and fold it closed. You should hear the casing snap into place.

This Garage Door Sensor takes 1 CR123 battery and the typical battery life for the sensor is 3-5 years.

• To open the sensor, remove the screw securing the back cover with a small Philips head screwdriver, and then remove the cover to reveal the battery.
• Pop the CR123A battery out of the compartment and replace with positive end facing towards the circuit board.
• Once complete, replace the sensor cover back on its base and replace the screw in the bottom to screw the cover back on.

This Garage Door Sensor takes 1 CR2032 battery and the typical battery life for the sensor is 3-5 years.

• To open the sensor, insert a tool in the indentation along long side and pry to remove the cover from transmitter
• Pop the CR2032 battery out of the compartment and replace with positive end facing up.
• Once complete, place the cover back on the sensor. It is important the cover goes back on the same way it came off. On the inside of the cover there is a small plastic piece that you want to align with the black button on the inside of the sensor.

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

• Open the Glass Break Sensor by unscrewing the Philips head screw on the bottom of the Sensor.
• Replace the CR123A battery.  Make sure to follow the polarity requirement.
• Once the new batteries are placed, place the front cover back on the face of the sensor and tighten the screw back in.

This Glass Break Sensor takes 2 CR123A batteries and the typical battery life for the sensor is 3-5 years.

• Open the Glass Break Sensor by unscrewing the Philips head screw on the side of the Sensor.
• Replace the two CR123A batteries.  Make sure to insert the new batteries with the 2 positive ends facing towards each other.
• Once the new batteries are placed the sensor, place the front cover back on the face of the sensor and tighten the screw back in.

This Glass Break Sensor takes 2 CR123A batteries and the typical battery life for the sensor is 3-5 years.

• To open the cover, put one thumb over the speaker and one thumb over the LED light, then grip unit by the sides with your fingers and press down with your thumbs.
• Replace the two CR123A batteries making sure to insert the new batteries with the positive ends facing towards each other.
• When replacing cover, you will notice a spring with a screw connected to it. This needs to be pushed straight down when the cover is closed otherwise the unit will report a tamper. When you close the cover you should try to position it over the screw and push all 4 corners straight down at the same time.