The DM300AUTO is much more than a complete True-RMS Digital Multimeter. It includes also some other functionalities of great utility for professionals dedicated to the automotive sector, such as checking the status of fuse protection, checking the correct charging process of the alternator or measuring the possible cranking Voltages in the supply circuit. The TFT colour display and the user friendly menu make this instrument an indispensable tool for AUTO professionals.Measures current Flowing through fuses without removing the fuse (up to 80A)Fuse voltaje drop testingGuided automotive test such as: Cracking Voltage test, Alternator Charging testAC/DC Voltage measurements up to 1000VCurrent measurements up to 30ACalifornia Residents Prop 65 warning: Products may contain a chemical known to the State of California to cause cancer, birth defects or other reproductive harm.This product has a manufacturer warranty against defects in materials and workmanship for a period of ONE (1) YEAR from the date of original retail purchase. See our Seller Return Policy for more details.