UNI-T UT22B-EU Voltage Tester ? 400V

UNI-T UT22B-EU Voltage Tester is a simple to use tool for electricians and DIYers to measure AC/DC voltage. This voltage tester is IP54 rated, and designed to withstand a 2-meter drop. The great thing about this product is that it does not require any battery, its power is supplied by the voltage being tested. UT22B can automatically distinguish between AC and DC voltage, indicated by the number of LED lights.