12.7mm jaw opening allows alternating current / direct current current measurement without circuit interruption, ideal for automotive, industrial, and household electrical diagnostics This clamp meter measures 16 parameters including alternating current / direct current current ( 0.001 100A), voltages, resistance, capacitance, frequency, and temperature, combining the functions of a multimeter and clamp meter for versatile electrical work Delivers ± ( 0.8% +3) direct current voltages precisions with 6000 count resolution, 600V protections, and NCV not voltages detections for secure live circuit testing Features automatic voltages / current ranges recognition and auto ranging with button zeroing, eliminating manual adjustments and operational errors for beginners Compact 192×45.8×30mm ABS body weighs only 122g, with USB C rechargeable 3.7V battery and 15minute auto off to conserves power during fieldwork, Manufacturer: CAZSTYK