Transform the high-voltage alternating current that runs through a standard wall outlet into stable low-voltage direct current: provide this function through a small accent electrical appliance. This 24 volt DC to 120 volt AC transformer automatically and efficiently maintains a constant voltage no matter the load being supplied It consists of programmable intelligent interface between users ' requirements on one side and mechanical or electronic devices hooked up to achieve these ends on the other. It has two main functions: one is to generate power by changing 12V DC into 110 220V AC with fixed or adjustable voltage and frequency accordingly; another involves charging batteries (even if they are overcharged), acting as the power source for generator sets etc while working on construction sites without access to 220V mains power outlets. Connect electronics devices to the voltage regulating device. This will ensure that the various devices connected to it receive the precise power they need in order to produce reliable operation and maximum performance Technological advancements include high efficiency circuitry, overload protection against excessive current surges. It often comes with several output connectors for different devices. A variety of uses: industrial automation and telecommunications to consumer electronics and household appliances, are possible.