Greenlee Clamp Meter, AC Non-Contact, 60/600 A at 600 V AC/DC Electrical Rating, 600 Ohm/6/60 kOhm Resistance, 50/60 Hz Frequency, 1.18 in Jaw, 6000 Count, LCD Display, True RMS AC Response, +/-1.5% + 0.15 A at 0 to 3.99 A, +/-1.5% + 0.05 A at 4 to 60 A AC Current Accuracy, +/-1.2% + 0.7 VDC at 600 VAC Voltage Accuracy, Safety Rating: CAT III 600 V/CAT IV 300 V, 1.5 V AAA Battery Power Source, 32 to 104 deg F Operating, 8.7 in L x 3 in W x 1.4 in D