Wide Compatibility - PB100 circuit tester is a fast and efficient electrical scanning probe, works on all 12-24v Sources, like cars, boats, trailers, fuel pumps, relays, and more.
Multi-Functional - Designed for Voltage & Polarity testing, Continuity testing, Signal Circuit testing, supplies Power/Activating Components, Trailer Lights & Connections testing, red/green Polarity LED, follows & Locates Short Circuits, and checks bad Ground contacts.
Four Working Modes - A Large Color backlit LCD Screen with easy to navigate user menu allows reading DC Voltage, AC voltage, Resistance and Diode parameters very clear. A quick self-testing is a must before to test a circuit or component, ensure your tool is in excellent condition.
Durable and Safety - An auto circuit breaker makes this tool very safe and sustainable; Its short-circuit protected as well as a safety measure to protect the device from overload.
This unit housed in rugged and with a very friendly user interface, even a beginner can easily use it without the manual. Built-in two headlights allow you to work in the dark area; Flexible 20 feet extension cord allows reaching wires in or out of the vehicle or some congested places - three-year manufacturer warranty.