Beep and flashing LED indicate non-contact voltage detection Measurement category ... 50C Pollution: Degree 2 Normal Indicators: Beep and flashing LED indicate the presence of voltage Use to detect voltage ... ,circuit breakers,wires,and cables or to find a break in a wire.Safe,non-contact voltage detectionLED LIGHTPower: ... .5 x 47cmStandard Carton Gross Weight: 13kg New Style Voltage Tester with led VD02