Test Pencil, Multi-Function Digital Display Voltage Tester Voltage Test Pen Pencil AC DC Detector with LED Lighting for Home Industry

Features

• Detection of AC and DC voltage, and digital display shows the value for reference. Check the wires with a variety of appliances through the circuit, to distinguish the zero-phase line to find the breakpoint.
• Made of first quality material, it is strong and to use. Pen-sized, handy tester for a quick and easy to test AC / DC voltage. ABS plastic handle, to falling, aging and safety insulation.With LED lighting function, more convenient to use.
• FireWire Detection Function:Usage: Press the direct test button of the test pencil in one hand and put the batch head into the fire line. : The blue light indicator lights up and the screen displays 12V, 36V, 55V, 110V, 220V.
• Zero Line Detection Function:Usage: Press the direct test button of the test pencil in one hand and put the batch head into the zero line.: The blue screen light is on, and the screen displays 12V (the value is displayed or not displayed when there is an external electric field, only the light is on).
• Breakpoint Detection Function:Usage: Press the breakpoint detection button, the cutter head is close to the wire, a bolt appears, and the bit is moved along the wire.: If the symbol disappears, the performance here is the breaking point of the wire.