Dual Fuel(NG &Gasoline; LPG & gasoline) Generator from 2KVA to 6KVA. We recommend 2.5KVA and 5KVA. Dual Fuel(NG & Gasoline; LPG & gasoline) Generator from 2KVA to 6KVA. We recommend 2.5KVA and 5KVA.50HZ,220VOR60HZ,120V/240VEngine: Single cylinder,4-stroke, air cooled, gasoline&gas engineAlternator: brush synchronous AC type generator 2KVA,2.5KVA,5KVA,6KVA LPG & Gasoline (Dual Fuel)generator sets