The Matco Tools MD251 True RMS Basic Digital Multimeter is a handheld device designed for professional use in various industrial and commercial settings. With measurement categories ranging from Cat Ii 1000v to Cat Iv 300v, this multimeter is capable of measuring both DC and AC voltages accurately. The digital display ensures easy reading of results, and the True RMS feature enables precise measurements for complex electrical circuits. Made in the United States, this multimeter is a reliable tool for troubleshooting and inspection tasks in electrical systems.