Key Features: Electric starter and Automatic Transfer Switch (ATS). Soundproof Original Imported Canopy. Honda GX390 Engine. Reliable & high-performance. Waterproof IP66 Plug and Socket. Digital Display Volts, Ampere, Herz, Watt, and Hour Monitor. (5 in 1) High-Performance. Copper Alternator. AVR, 4-Storke OHV Single-Cylinder Engine, Very low voltage fluctuation. Lead-acid battery without maintenance.