The Greenworks 40-Volt Brushless Self-Propelled 21 in. durable steel deck and easy push button starting. Get up to 30 minutes of runtime on fully charge 5.0 Ah battery (included). With 5-position single lever height adjustment that range from 1-3/8 in. to 3-3/4 in., it is ideal for medium size yards. Self-propelled drive system with variable speed rear-wheel drive lets you easily maneuver and tackle any terrain. The mower's 3-in-1 capability allows for mulching, bagging or side discharge. It has 8 in. front and 10 in. rear wheels for smooth traction while trimming your yard. When complete, collapse the handle for easy storage. Item assembled weight – 83.78 lbs. Backed by a 3-year warranty. Features of Greenworks 40V 21 in. Cordless Brushless Self-Propelled Lawn Mower: Highly efficient brushless motor provides more torque, quiet operation and longer life Up to 30 mins. of runtime on fully charged battery Durable steel 21 in. cutting deck gets the job done quicker and more efficiently The convenient 3-in-1 cutting deck lets you choose your cut finish from mulching, bagging or side discharge Self-propelled drive system with variable speed rear-wheel drive lets you easily maneuver and tackle any terrain Single lever 7-position height adjustment from 1-3/8 in. to 3-3/4 in. No gasoline, no pull cord, no spark plug, no maintenance Hassle free push button start Includes 5.0 Ah battery & quick charger Item assembled weight - 83.78 3-year warranty What's Included: (1) 40V 21in. Self-Propelled Brushless Cordless Lawn Mower (1) Grass Collection Bag (1) 5.0 Ah Battery (1) Battery Charger (1) Owner's Manual