The Commercial Electric 600V True RMS Auto Ranging Digital Multimeter is a handheld device designed for professional use in various industries. With a maximum input voltage of 600V and a measurement category of CAT III, this multimeter offers accurate readings for AC/DC voltage and temperature measurements. It features auto-ranging capabilities, true RMS measurement, and a digital display with backlight and data hold functions. Additionally, it includes a DC polarity indicator and is battery-powered for convenient use in various settings. Made by Commercial Electric and meeting California Prop 65 warning requirements, this multimeter is a reliable tool for commercial and industrial applications.