Automotive Digital Battery Tester Battery Load Checker Charging Voltage Test Tool Car Battery Voltage Universal Tester Fault Diagnosis Black This Digital Automotive / Vehicular Battery Tester is designed for automotive battery load voltage, charging voltage test and starter motor test connected with red and black clamp. It also has a 6V and 12V Battery Voltage indicator. It is very useful and can be used in vehicle's fault diagnosis and service. Features: Not only a great battery load tester also an excellent startar&alternator tester. Stay at home and diagnose the batteries on your own. Widely compatible: Test batteries from 300-1000 CCA, operating range from 6-12 Volts. This product has a bright digital LED display, which is great for bright- or low-light environment, and easy to read the measurement result. This device takes the guesswork out of electrical diagnosis, making it easy to pinpoint charging system failures. Uses car battery for power, no extra internal batteries needed. Easy-to-carry and durable design. Specifications: Model: EM577 Battery's CCA rating: 300-1000 CCA Operating voltage: 6-12V Material: ABS Color: Black Package Size: Approx. 24*16*8mm Package Weight: Approx. 530g Package list: 1 x Digital Battery Tester