The Gallop Relay Tester (G-E100210) is a compact and efficient tool designed for testing 4-pin and 5-pin automotive relays. It operates on a 12V system (11-15V), with some models supporting 24V, and provides clear Pass/Fail LED indicators for quick diagnostics. Its connectivity is facilitated by alligator clips and relay sockets, making it versatile for various testing scenarios. This tester is part of a broader range of automotive tools offered by R M Tools Solutions, which also includes impact wrenches, engine timing tool kits, and hydraulic jacks.