Ac LED Non Contact Electric Voltage Detector Tester Yv9

The pen sensor or detect the voltage, the white handle will be light and beep, it is easy to detect the FireWire, and know which line there is a dangerous voltage.2. induction pen in the middle of a button, press her, there is a bright red LED will be luminous, can be used when the torch, in the dark workplace, you can do not need to use flashlight to easily complete the line work!Package Includes:1 Piece of Voltage Tester PenA perfect tool kit for home and electric industry uses Ideal design for testing power cables, circuit breakers, wall sockets, junction boxes, fuses, etc Just press the button, white LED light can be always on when there is absence of voltage "Beep" sound and red flashing LED would indicate the presence of voltage Totally insulated, no exposed metal or conductive parts