Electrician Special Voltage Measuring Pen with LCD Display Operating Voltage:AC 12~300V and switches to dim light

and switches to dim light 30s after the person leaves the sensing range)

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lightweight design

easy to switch

Electrician Special Voltage Measuring Pen with LCD Display Operating Voltage:AC 12~300V and switches to dim lightFEATURES PRACTICAL TESTER: Only need to place the tip near the wiring board, socket, or power cord. When the pen tip emits a red light and the pen beeps, you know there is voltage present. HIGH IN SAFETY: The electrical tester is safely insulated and can detect AC voltages of 12V 300V. It is recommended that you should not directly plug the pen into the power supply and wear gloves. MULTI FUNCTIONAL DESIGN: Also has a flashlight to help you work