Output Conversion: 1mV/1A Output Impedance: 10K Battery Type: 9V (6F22) X1 (Not Included) Conversion Accuracy: +/- 3.0% + 5 digits Dimensions: 7.05*3.54*1.42 inches Jaw Caliber: 1.77 inches DC Current: 600A AC Current: 600A AC/DC 600A Clamp-on Probe: Measures AC/DC up to 600 amperes, ideal for higher current measurements. Excellent Companion for DMMs: 1mV per ampere output and standard 3/4 inch banana plugs ensure compatibility with most multimeters featuring 1mV sensitivity. Accurate Amperage Measurement: +/- 3.0%+10 accuracy for signal output conversion. The arrow on the jaw indicates the DC current direction for positive current flow. Easy to Use: Maximum jaw caliber size up to 1.77 inches (45mm) allows for precise AC or DC current measurement up to 600 amperes without breaking the circuit. Tips: For DC current measurement, always press the 'REL' button on your multimeter to zero it. For AC current measurement, clamp around the live wire or use an 'AC line splitter'. Connect the black banana plug to the 'COM' port and the red banana plug to the 'µA mA' port. Press the 'SELECT' button on the multimeter and the AC/DC button on the Clamp Adapter to choose 'DC' or 'AC' measurement. The arrow on the jaw indicates the DC current direction for positive current flow. Package: 1x Clamp Meter 1x User Manual