The New Automotive Electronic Relay Car Relay Tester is a reliable diagnostic tool for vehicles, including motorcycles, ATVs, passenger vehicles, and heavy-duty/commercial vehicles. This 12-volt tester features a digital display and the ability to test relays and components. With a 42cm alligator clip length, this unit is designed to be connected to the car battery power supply for efficient testing. Made in China, this product comes with a user guide but does not include a warranty. Perfect for automotive professionals and car enthusiasts looking to diagnose issues with electronic relays in their vehicles.