The Extech UM200 is a precise Micro-Ohm Meter with a resolution of 1 µΩ. The UM200 has six ranges, each of which contains three sub-ranges. It has a 5-digit backlit LCD, a PC interface, automatic or manual range, and a maximum test current of 10 A. Store and recall up to 3000 measurements. Includes 4-wire cables with Kelvin clip connections, a rechargeable Li-Polymer battery, an AC adapter/charger, software, a USB cable, and a protective carrying case.