Extech MA160 True RMS 200A AC/DC Open Jaw Clamp Meter 0.57" (14.5mm) open jaw size allows current measurements in tight spaces Built-in Non-Contact Voltage (NCV) detector with audible alert and LED indicator Relative Mode for Capacitance Zero and offset adjustment 2000 count 2-level backlit LCD display Convenient LED work light for viewing in dimly lit area