The Power Probe 3 Digital Auto Electrical Tester is a versatile tool designed for vehicles of various types including motorcycles, passenger vehicles, and heavy-duty/commercial vehicles. With a voltage range of 12-24 volts, this unit offers digital display, continuity testing, voltmeter functionality, and the ability to test relays and components. Made in the United States, this tester comes with a 20-foot jumper lead, probes, a user guide, and a manual, all neatly stored in a heavy-duty case for convenient use in the garage or workshop. Perfect for diagnosing electrical issues in a wide range of vehicles, the Power Probe 3 is a reliable and essential tool for any mechanic or car enthusiast.