GENMAX is a research, production and sales technology company with more than a decade of experience designing and manufacturing reliable and durable power supplies for the North American and world markets, and genMAX generators are your choice for home, work, entertainment, or preparing for natural disasters,GENMAX products are the standard of performance excellence. 4-stroke 458cc OHV. 6.9 Gallon. Gasoline, Propane(LPG), Natural. 10500W(GAS)/9500W(LPG)/8400W(NG). 8500W(GAS)/8000W(LPG)/6800W(NG). 30.9' x 22.6' x29.3'. CO Detect. Voltage: 120V/240V. 60HZ. CARB/EPA/PGMA. Starting and stopping the generator is a breeze with a reliable push-button electric start system. The engine's choke operates automatically, making it easy to start at the push of a button, so you don't have to worry about bad weather. The easy-to-operate, multi-functional panel has remote one-touch start/electric start/ATS automatic control and a wide selection of outlets.CO Alarm, Parallel Connectors,Battery Charging Port, overload reset switch and LED Light,Voltage transfer Switch. 1 telescopic pole and 2 wheels make this portable generator easy to move around, whether it's for home use or for your Recreational Vehicles, it's the choice! Total harmonic distortion is less than 3% compared to real sine waves,and can be handled by even the most sensitive electronic devices. GENMAX 10500W Super Quiet Tri Fuel Gasoline Propane Natural Gas Portable 50A Generator. Remote Electric Start. Diversified functional control Panel. Easy to carry. AC Pure Sine Wave.