The DM300AUTO is much more than just a complete True-RMS Digital Multimeter. It also includes some other functionalities of great utility for professionals dedicated to the automotive sector, such as the ability to measure current across fuses without removal, battery & alternator tests by checking the correct charging process of the alternator or measuring cranking voltages in the supply circuit. The TFT color display and the user-friendly menu make this instrument an indispensable tool for AUTO professionals.