Are you looking for a professional, yet car battery tester? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? , ! Our professional car battery tester must meet you needs. It is one of the for you. Features - Color: Black. - Material: ABS. - Size: 14 x 5.3 x 1.7 cm/5.5 x 2.1 x 0.7 inch. - Current: 12V/10mA, 24V/30mA. - Temperature: -35-50 degree centigrade. - Power: 0.5W. - Working voltage: 6-30V. - No need to open the engine hood to connect the battery, the car to test. - Support 12V and 24V cars, intelligent identification, no need to choose. - Voltage test range: 9V-30V can be tested. - Connect reverse protection function, the wrong operation of the positive and negative poles will not damage the battery and equipment. - Two test modes can be selected: start-up test (load test) and car battery test. - Precise test results, intuitive display, improve work efficiency. Package list: 1 battery tester 1 x manual