FNIRSI MC40 Intelligent Digital High Precision Clamp Multimeter 1. No need to distinguish the range, automatic range identification 2. 600A high current measurement, more versatile 3. Hard plastic chip, more accurate measurement 4. Intelligent anti-burning, more secure use 5. 26mm large jaw design, easy to deal with a variety of diameter cable current detection 6. NCV non-contact measurement, in the detection of voltage instrument beeping sound, warning light flashes, insulation measurement is safer 7. Energy-saving, increase the life, 25 minutes without operation automatically shutdown 8. Clamp illumination, measurement is not limited by light 9. High-definition backlight, night readings at a glance 10. One key data keep, easy to check the measurement value 11. Power supply: 2 x AAA batteries (not included in delivery) Parameters: 1. DC voltage input impedance: 10 megohms 2. DC input voltage: up to 600V 3. AC voltage measurement frequency range: 40Hz-400Hz 4. AC Input Voltage: up to 600V 5. AC current measurement frequency range: 50Hz-60Hz 6. AC input current: 120 percent of full-scale value, time not exceeding 60 seconds 7. Overload protection: 600V DC or 600V AC RMS 8. Packing list: clamp meter, multimeter pen, instructions