Quality power: The inverter "purifies" the initial alternating current, inverts it to direct current and reduces the voltage wave distortion to the lowest limit, and finally, the direct current is inverted into clean and smooth alternating current output. The power wave of inverter generator set is the perfect sine wave, so it can run some precise equipment or instruments sensitive to the voltage fluctuation, such as computers, etc. Smart throttle technology: Makes the engine speeds match the load automatically resulting in quieter operation, longer life and better fuel economy. Acoustically engineered sound reduction system with up to date molded cabinets, mufflers and fans resulting in a quieter working environment. Compact light weight design with eye-catching appearance suitable for camping, home use, office standby and on-the-spot jobs wherever and whenever electricity is not available. Warranty: Xingyue offers a 1 year warranty from many service dealers across worldwide