Smarter Tools ST-GP2000i Inverter Generator Yamaha Engine, 2000-watt Sine wave technology suitable for powering sensitive electronic equipment like a laptop computer Super-quiet muffler with USFS-approved spark arrestor only 51 dBA and eliminates straying sparks Compact 2.2 cubic ft. size is easy to store and transport Gasoline petcock lets you shut off the gas to run the carburetor dry for storage preventing stale gas problems Maximum compliance ratings for EPA