Voltage Detector, 0 to 250 V DC, 70 to 250 V, 0–60 Hz, optical + acustic, 2×LR44

Voltage tester with optical signalisation. The tester is designed for testing 70–250 V alternating voltage and 0–250 V direct voltage. The tester also detects short circuits or the polarity of power sources. The tester is powered by 2× LR41 (included).