Portable 12V automotive relay tester Function: 1. Simple to use, connect the tester to the car battery, and the test results can be obtained after a while, which is convenient and quick 2. Equipped with LED indicator light, the test result can be known easily. When the green light is on, it means the test battery is normal, and when the red light is on, it means the test battery is faulty 3. Made of high-quality ABS, lightweight, wear-resistant and corrosion-resistant, suitable for long-term use 4. Small size, compact structure, light weight, easy to carry, can be tested anytime and anywhere 5. Wide range of applications, suitable for most car lights, wipers, starters, air conditioners, power seats, power doors and windows, anti-lock brakes, audio relays 6. The tester will check the correct operation of the relay contacts by connecting a car battery (11V-15V) to the relay coil. Specification: Item Type: Automotive Relay Tester Material: ABS Weight: approx. 232g / 8.18oz Purpose: Testing the 12V starter battery in gasoline vehicles, vehicles and motorcycles Package List: 1 x Car Relay Tester 1 x Manual The product is connected to the test product and can be used