Post by Russel on Nov 28, 2017 10:37:25 GMT 8
Kerui products are essentially battery operated. The PIR sensors especially need regular battery checking certainly in high traffic zones.
The unit below is $1.87AUD on ebay including delivery I got about 5 of them around the house they are so handy and will do button batteries, 12v's, even the retangle 9V which are used in smoke alarms.
Search on ebay 'battery tester' sort by price and start scrolling
The unit below is $1.87AUD on ebay including delivery I got about 5 of them around the house they are so handy and will do button batteries, 12v's, even the retangle 9V which are used in smoke alarms.
Search on ebay 'battery tester' sort by price and start scrolling
