Multifunction Power Supplier? Quiet and fuel efficient 4 stroke 145cc petrol generator produces 3300W max watts and 3000W running watts. It is easily able to run the lighting system, RV or a small family home. And run a huge range of high-power appliances such as an air conditioner with 6000 BTU cooling capacity, refrigerators, kettles, and even more appliances at the same time. Low noise? When the generator is in ECO mode at 25% load and is 7m away from the generator, the noise level is 58 decibels. Which is almost the quietest generator of this rated power. At this noise level, there is little disturbance for users and people nearby. Please note that ambient noise may affect the overall value of the noise of the machine. Extra Long Runtime? Runs 8.3 hours at 25% load (750w load)? 4.5 hours at 50% load (1500w load).