Voltage Tester, 2pcs Voltage Tester Pen 24-250V High Sensitivity Non-Contact Screwdriver Voltage Detector Electric Pen with Indicator Light for Circuit Testing

【Smart Chip】: The electrical test pen features a wear-resistant and scratch-resistant ABS shell. Thanks to the smart chip on the motherboard, this test pen has an improved chip control program, making it safer and longer lasting.

【Power On/Off Detection】: This power tester pen can test the power supply. If the plug core is in good condition, the green LED indicator lights up. If it is not turned on, the plug core is disconnected and the contact is poor.

【Easy to carry】: The non-contact intelligent induction test pen is small in size and lightweight, space-saving, you can easily carry this pen to help you with your work, which is convenient to use.

【Determine the neutral and live wire】: These screwdriver test pens can distinguish between the neutral wire and the live wire. By inserting the electric needle into the socket, the red and green lights work together, it is the live wire.