The Milwaukee® Digital Multimeter is a heavy-duty True-RMS meter for professional residential, commercial and industrial applications. It is the perfect tool for the professional commercial or industrial electrician and includes the features that are needed to get the job done in the field, on-site or in the plant. This sophisticated multimeter features True RMS for accuracy, a wide voltage range to 600 AC/DC Volts, resistance from 600 ohm to 40 Mohm, a rugged overmold case and much more. True RMS measurement to accurately measure all applications CATIII 600V for increased safety in demanding electrical environments AC voltage range of 6 millivolts to 600 Volts DC voltage range of 600 millivolts to 600 Volts DC Resistance measurement from 600 ohms to 40 Mohm Frequency measurement from 10Hz to 50 kilohertz Detects continuity at less than 30 ohms Current measurement to 10 Amps AC/DC Hold function, min/max function and digital bar graph readout Black on white display Backlight for easier reading Rugged overmolding for improved durability and user grip Proprietary rail system for mounting accessories Model Number: 2216-20. Age Group: adult.