Measures up to 600 amps AC/DC, Large 1.30” jaw opening;Thin Jaw Profile for easier wire measurement in panels or in bundles;Wide Voltage range to 600 AC/DC volts;True-RMS for accurate measurement in all applications;Built-In Voltage Detector and LED Work Light;Frequency Measurement;High Contrast, White on Black Display with Backlight for easy reading;Rugged over-molding increases durability and user grip;CAT III 600V for increased safety