Mini Clamp Multimeter Clamp 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 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.