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Older Revision of KERUI Home Security System Review Wireless Door Window Sensor

Revision: 20150417_055223 | All Revisions


KERUI Home Security System Review: Wireless Door / Window Sensor

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Power Source

The KERUI Door / Window Sensor is powered by a single 23A battery, which is rated at 12 volts. This is a standard battery used in car remote controls and garage door opener remote controls.

I just gotten the KERUI Home Security System, so I do now know how long the battery will last in these sensors. As I put this system through the test, I will report back on its endurance.

23A batteries are not available as rechargeable batteries. That means over time you will have to replace them with fresh set of batteries. Although a standard battery, it is not inexpensive. Best way to save money in the long run is to buy them in bulk (see "Related Links" below). And you'll likely need to because you'll likely have approximately 10 or so of these KERUI sensors.

Once the KERUI door / window sensor is secured into place, you can slide it upward to separate it from the back panel, revealing the battery compartment (see photo below).

There is no power switch on the door / window sensor. The only way to turn it off is to remove the 23A battery.

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