The Extech 380926 is a category IV, 2000-amp, TRMS AC/DC clamp meter with a durable 2 in. The jaw can hold two 500 MCM cables. The built-in full-function DMM can measure AC/DC voltage and current, resistance, capacitance, frequency, duty cycle, diode, and continuity. Measurements are shown on the big 4000 count backlit LCD, making them simple to see in low-light conditions. Additional features include DCA push button zero, Data Hold, and Relative function. Complete with test leads and a 9V battery.