1.Relay Integrity: Ensure precise car maintenance work with Automotive Relay Tester. Its accurate testing capabilities ensure the integrity of relay pin positions, and determine if the relay is damaged, allowing for repairs. 2.Modernized Testing: Gain insights into your car's circuitry with ease. Automotive Relay Tester enables rapid detection of relay function, allowing you to quickly determine normal car circuit status with its quick detection feature: making troubleshooting effortless. 3.Clear at a Glance: Our Automotive Relay Tester allows for efficient relay testing with prompt identification of abnormalities through the red LED lights up. Green LED light flashes provide a clear indication of normal function. Visual instructions make it easy to diagnose relay issues at a glance. 4.Use Simply: Easily diagnose your vehicle's relay with our Automotive Relay Tester. Connect to your car's battery, adjust the foot control, and seamlessly identify the status with a press of a button—simple.