Description: CAT IV 600V, CAT III 1000V LCD backlit display, with maximum reading of 6600. AC voltage range: 0 to 750V. AC current range: 0 to 660A. DC voltage range: 0 to 1000V. DC Current: 0 to 660A. Resistance measurement to 66 megohms. Data Hold, Min/Max, Autoranging, DCA Zero. Test Ranges: ACV, ACA, Resistance, Frequency, Diode, Continuity. Work light. Auto Power Off. Double Injection outer case.