12V Automotive Relay Tester - Electronic Car Battery Diagnostic Checker, Scan Tools with Clips, Battery Buddy Code Reader and Voltage Tester Screwdriver Review

Wide Application: Suitable for general-purpose automotive relays on the market. Car battery diagnostic checker tools are set to 4 and 5 pin relay, test the 3 most popular automotive relays. Small size, compact structure and easy to carry, you can test anywhere you want. Automotive relay tester must be a 12V battery, it needs to be connected to the car's 11V-15V battery, suitable for coil resistance above 20 ohms. Fast Test Tool: Can quickly detect whether your relay is normal to help you save time. When the relay is not a general-purpose relay on the market or the tester is damaged, it will turn on a red LED. When the pin setting is correct, the tester will open and close 10 times to detect the release time of the action. Our auto relay tester observes the contact data, closure time, relay inertia at each test stage, etc. Durable Material: Our car auto battery checker is made of plastic and metal materials, solid and practical, with fine workmanship. The clip is made of insulating material to ensure safety, good bite and accurate testing. This tester is designed to test the condition of your car relay. Operating Instructions: The alligator clip of the tester to the car battery, the black clip on the negative pole and the red clip on the positive pole. Select the appropriate socket according to the pins, insert the relay into sockets, press the "Test" button, If the relay is abnormal, the red LED will light. It's normal the green LED will light. The relay testing tool will automatically detect the pin position of the unknown relay, provide convenient and intuitive diagnosis. Voltage tester screwdriver pen: With 3mm slot head, working voltage is AC100-1000V. Neon tube light of circuit tester pen will emit light when the pen detects alternating current voltage. For testing the circuit and distinguishing whether the object is electrified. 2 YEARS Warranty and 100% Satisfaction Guarantee: You can enjoy reliable quality, we are now offering a FREE 2 Years guarantee with every purchase! If it breaks within 24 months of your purchase, just contact us and we will replace it for FREE!.