The PREDATOR® 8750W Max Starting, 7000W Running Inverter Generator uses built-in inverter technology to produce clean power ideal for sensitive electronics. Includes large 10 in. flat-free wheels and folding handle Unit has been started every month to ensure lubrication , but never plugged in or used . Also, PREDATOR 25 ft. x 10 Gauge Four Prong Twist-Lock 30A L14-30 Generator Extension Cord -- (never used )