This is a 6 yr old Generac clean burn, CARB compliant LP 5500 generator, w/ 6875 max outout starting Watts. Unit has 42 hrs. on it. It has one 120/240 V twist lock outlet w/ 25 A breaker for main household line; 4 120 duplex outlets for ext. cords w/ 2 20 Amp breakers, and hour meter. Comes with outside line box, 6 circuit switch (for inside house), 30 ft HD line (from generator to outside box), two standard propane tanks. Runs like new, no carb or gas issues to worry about. Powers up to 6 circuits (micro, refrigerator, furnace, select lights) for 7 hrs per tank. I've never had issues getting propane during outages. Reason for selling: installed an auto-on stand alone generator.