| Product | Electrical Voltage Tester Pen |
|---|---|
| Brand | Unbranded |
Check the listing for details. Electrical Voltage Tester Pen Set for Low Voltage Circuit Detection 2pcs. Condition: New. Listed at 11.09 USD. Ground the for Alligator clip and test the circuit with a probe, if the light is on, there is electricity. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.