Have the unit on time and receive equal unpacked to test it. Rubber hose from the tank to the carburetor was kinked and thus was not Bezinzufhr possible .. tube expanded and turned .. went so far in advance .. Plastic cover above the engine has a large crack, but does not affect the function. Have a laptop and a projector run for 3 hours without any problems. It ca 1 liter of fuel consumed (very good) broadly for the price really ok if you bring some technical understanding.