1. Test the CCA (cold cranking amps)/internal resistance/voltage/State of Charge/State of Health

2. Test 12V/24V vehicle starting system and charging system

3.Unique custom fast key Fn, you can set one -button test or one -button voltmeter mode

4. Built-in thermal printer to print test results

5.Built-in dlock to set date and time

6. Automatically save the last test result for review

7. With reverse connection protection and short circuit protection

8. Automatic temperature compensation