12-250V AC DC Digital Voltage Detector Tester Pen LED Light Electric Sensor
1.It's perfect for home use and handy when checking holiday lights.
2.Item checks wire and tells you which is hot (fire), which is cold (ground), and incredible, No battery needed.
3.Size: 13.7 x 3 x 2cm
4.Material: Plastic + Metal
5.Test range: 12~250V AC DC
1 The final figures is the voltage value.
2 It will indicate the lower value if not reach 70%of display value of the high value.
3 Please touch the negative pole when test the voltage of DC.
4 Inductance can be used when test the item with lower than 12V voltage.
5 It must be connected to ground or the zero when test the item with the induction.
When detect line side by side, please increase the space between the lines or hand-hold the detected item.
Move along the phase line, when there is nothing shows in the display window, it is the breakpoint.