This Vol Con Solenoid Voltage Tester from IDEAL R is an extremely rugged and reliable three in one tester. It vibrates when voltage is present, and tests for high voltage up to 600 volts AC/DC and low voltage as low as 5V AC/DC. It is also an automatic switching continuity tester and has bright, long life LED and neon indicator lamps. The leads are replaceable and have shielded probe tips. This comes with a two year warranty and is CAT III 600 volts.