Review on Optimized 433MHz Home Wireless PIR Infrared Motion Detector Sensor for Alarm System by KERUI by Leslie Matlak

Name: Optimized 433MHz Home Wireless PIR Infrared Motion Detector Sensor for Alarm System by KERUI
Item: Optimized 433MHz Home Wireless PIR Infrared Motion Detector Sensor for Alarm System by KERUI
Rating: 1

August 24, 2022

Unstable, unreliable. Find the best alarm clock.

They drain the battery quickly and become unstable (false alarms) when the battery gets low so I replaced the wiring with a 9V transformer which was a big improvement but still caused loud and nasty false alarms. I replaced the first motion detector with this one and that seemed to fix the problem for a while but after 4 or 5 months the same thing happens again. I gave them up and it's a shame. That would be a good answer to the double robbery of my workshop.

Pros

Everything is fine!

Cons

Expensive

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