Specifications:The tester pen can test 12-250V voltage and indirectly test AC neutral wire, phase line and breakpoint. It can show 220V at most.Press the direct button can directly test AC voltagePress the inductance button can test DC voltageUse the pen tip to test AC phase line and neutral wire, if something display, it is the phase line.The pen tip move along the phase line, if nothing display, it is the breakpointPlease don& 39;t press the two buttons at the same time.Type: Electrical Tester PenMaterial: Engineering Plastic Shell Testing Range: AC DC 12V-250VFeatures: "Direct" and "Inductance" Mode, Easy to OperateColor: As the Pictures Show (We do not offer color choice, your color will be randomly sent)Length: 13cm/5.12" (Approx.)Notes:1. Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.2. Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Electrical Tester Pen (Sent Randomly)