... (KVA):2.8Voltage (V):110,120,220,230,240,110/220,120/240 DC output (V/A):12/8.3 Combustion System:Direct ... ,easy starting,quiet running. 3. Dynamic balancer reduces the vibration to a minimum and mades its running more stable and smoothly. 4 ... and high efficient noise-proof materials,vibrations,reducing structure combine to form a silent machine. 5. Durable 4-wheel rolling structure for ...