This PREDATOR® 9500 Max. Starting Watt, 7600 Max. Running Watt SUPER QUIET™ Inverter Generator uses a powerful 459cc engine providing clean, efficient power where it's needed most. This closed-frame inverter generator delivers a runtime of up to 18.5 hours @ 25% load. Designed with efficiency in mind, this inverter generator is built with Electronic Speed Control Mode (ESC Mode) to optimize engine performance, maximize runtime, and lower fuel consumption. This closed-frame inverter generator delivers enough power to back up your home while running very quiet at 67 dBA. It is compact and versatile enough for multiple applications. The 4 smooth-rolling flat-free tires make the generator easy to move.