Analog Clamp Meter, AC Response Calculation Average, Calibration Certificate Included No, Calibration Frequency 50/60 Hz, Jaw Style Clamp On, Maximum AC Current Measurement 1,000 A, Maximum AC Voltage Measurement 600 V, Maximum DC Current Measurement Not Applicable, Minimum AC Voltage Measurement 150 V, Minimum AC Current Measurement 15 A, Safety Rating CAT IV 600V, Jaw Opening 1.88 in, Audible Continuity Yes, Batteries Included Yes, Battery Access No, Battery Size AAA, Data Hold Yes