The Klein Tools CL390 Auto-Ranging Digital Clamp Meter is a handheld multimeter designed for DC and AC voltage testing. It features a digital display with a maximum input voltage of 600 V AC/DC. This meter also includes features such as auto-ranging, a clamp for easy connection to conductors, and input protection for added safety. Made in the United States by Klein Tools, this meter is a reliable tool for professionals in the electrical testing and measurement industry.