1Made of high quality material, durable and long service life. 2Adopt LED display mode, this inverter has power indication, voltage indication, ac frequency indication and overvoltage indication 3The direct current can be converted into alternating current, and the output alternating current can be synchronized with the frequency and phase of the mains, so the output alternating current can be returned to the mains 4High stability and it has output short circuit protecting function 5Commonly used in some DC voltage sources (such as solar panels or small wind turbines) and grid connection applications