1Large Screen Display: Equipped with a large screen display, convenient for reading, the DC power meter can switch functions for query. 2Backlight Setting: The backlight of the DC multifunction power meter can be set, and the backlight setting can be saved when the power is turned off. 3Uses: The DC power meter can measure voltage, current, power and other multifunction devices. It is easy to operate and easy to use. 4Switchable Function: The button on the side of the meter display can switch the content of the multifunction statistical area in the following categories: AH, WH, Ap, Vm, Wp. 5Wide Applications: Wide range of applications, widely used in solar energy systems, industrial assembly lines, automobiles, etc.