Features: -It can test the car battery capacity, whether the car relay is normal, provide reverse protection, and provide integrated functions. -With small handheld design, it is easy to carry and can be used anytime and anywhere. -It supports a voltage range of 11-15V, allowing you to test a variety of automotive circuits quickly, accurately, and precisely. -With an LED display, it makes it simple and intuitive to use, ensuring you can easily check before charging. -Perfect for mechanics, car enthusiasts, auto repairers, and more, it provides reliable testing and diagnostic capabilities. Specification: Colour: red&black Size: 11*6cm Suitable voltage: 11-15V .
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