Mini Clamp MultimeterClamp allows measurement of AC and DC current in wires without disturbing the circuits or contacting live terminals Auto range simplifies operation: 0.01-400 Amps, 0.001-600 Volts Auto power-off selection - power turns off automatically after 10 minutes of non-use True RMS - required for accurate measurement of inverter output Large digital display makes reading measurements easy Data hold - press "HOLD" button during measurement to lock reading value Test leads included with meter WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.