Clamp-On Power Meter Max Watts 600kW Power Accuracy +/-2.5 Percent Rdg + 5 Digits Max AC Amps 600 Current Accuracy +/-1.5 Percent Rdg + 5 Digits Max AC Volts 1000 Max DC Volts 1000 Voltage Accuracy AC +/-1.0 Percent Rdg + 5 Digits DC +/-0.7 Percent Rdg + 2 Digits Power Factor -1.00 to 1.00 Jaw Opening 1.77 In. True RMS Yes Display LCD Safety Rating CAT IV 600V CAT III 1000V Includes Test Leads Battery Users Manual Carrying Case Type-K Thermocouple