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To check button battery power.
Used to measure button battery power.
When the indicator lights up the red area, the battery power is low and needs to be replaced.
When the indicator light is yellow, it indicates that the battery has been used.
When the indicator is green, it means the battery is full.
Size: about 97*51*26mm/3.82*2.01*1.02"
1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
2. Please allow 1-3cm measuring deviation due to manual measurement. 1 X Battery Tester