12V/24V battery tester, relay analyzer, alternator tester, car and motorcycle starting and charging system diagnostic tool

Features: This automotive relay tester is an indispensable tool for any car owner or mechanic, thanks to its ability to detect 4/5 pin automotive relays and operate on 12/24V. Requiring two 18650 batteries (not included), this portable tester can be used continuously without an external power supply, making it ideal for on-the-go repairs. Suitable for drivers, mechanics, and anyone who wants to take control of their car maintenance, this automotive relay tester is easy to use, provides accurate measurements, and delivers fast results. Whether you're in the garage or on the road, this circuit tester is small and easy to carry, making it ideal for placing in a briefcase or bag for quick access to diagnosing any car problem. Made with high-quality materials, this automotive tester is durable and reliable, ensuring a useful and long-lasting tool for all your automotive needs. Features: Operating temperature: -20 to +50°C Battery: 2 x 18650 batteries (not included) Material: Plastic Color: Black Package contents: 1 x Alternator tester Only the above-mentioned package contents are included; other products are not included. Note: The color of the item in the photo may slightly differ from the real thing due to reflections and your monitor settings. A margin of error of +/- 1 to 3 cm is possible.