Amprobe VP-600SB Non-Contact Volt Detector Non-contact voltage tester for detecting (AC) voltage on cables, circuit breakers, wall sockets, junction boxes, and other electrical wiring Average-sensing meter helps provide accurate readings when measuring linear loads with a current or voltage that has a sinusoidal waveform Tester illuminates, vibrates, and beeps when AC voltage is detected Measures AC voltage from 100 to 600V Safety rated to European Standard 61010-1 Category III 600V