this 3.4kva generator is rugged, versatile and affordable power suitable for a wide range of applications, dual voltage output,110v/240v/ wrap around frame and angled rubber mounts to minimise vibration 5.5 horse power 4 stroke petrol engine generator ,This generator offers up to 2.5 hours continuous operation from its 3.1 litre fuel tank. , The 5.0kva Version with its 8 horse power 4 stroke petrol engine, offers a continuous 2.7 hours operation from its 5.3 litre fuel tank.