12V Digital Electric Circuit Tester Pen – Long Probe With Alligator Clip For Car/Truck Diagnostics

This 12V circuit tester is a must-have for DIY car electric work.

It's got a long probe (about 6.8 inches total), alligator clip, and bright indicator light.

Works on 3V to 48V DC—great for cars, trucks, SUVs, and RVs.

The probe tip is about 3.3 inches, cord is nearly 38 inches.

Uses a replaceable 3-watt bulb to find power, ground, shorts, and breaks.

Unbranded but solid.

If you're chasing electrical gremlins, this pen makes it easy.