Real mid-wheel-drive design for tight space maneuverability Dual in-line motors for enhanced efficiency, torque, range and performance Full front and rear suspension for easy obstacle climb and enhanced performance on varied terrain 12″ knobby tires and optimum weight distribution provide superior traction Dynamic Shark fully programmable controller Off board charger and 4-post seat with semi-reclining backrest NF-22 batteries for maximum range Stable base: Footplate is rated to hold 350lbs and rear casters will not tip 2 color shrouds in box red/blue 2 full length arms All back-contoured seat Footplate: 13.5″w x 12.5″d Options: Elevating Leg-rest, Oxygen tank holder, Gel cushion, Swing away joystick, Height adjustable armrests