Measures up to 600 amps AC, 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. Thermocouple (dual banana) input for contact temperature measurement. 600 uA DC for Flame Rectification. Rugged over-molding increases durability and user grip.