Two 9 V batteries (one each for models CB10 and CT20), and two AA batteries (model DV20)
Save time and money conducting electrical circuit testing and preventive maintenance checks ensuring all your systems are operating optimally and efficiently with this electrical troubleshooting kit. The kit combines a circuit breaker finder with outlet/GFCI tester, continuity checker/wire tracer, and AC voltage detector with flashlight, in one convenient kit.
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