The 3G Arrow Rear Wheel Drive Power Wheelchair with TrueTrack is a powered wheelchair designed for use by individuals with mobility, neurological, or lower extremity disabilities or spinal cord injury. TrueTrack technology translates the driver's commands to help keep the power chair on a true forward path and minimize the need for veer correction on slopes, thresholds, and uneven terrain. FRAME (LxW): 28.5 (short base) or 31.5 (long base) x 12 to 24 inches. The frame is available in silver, black, blue, yellow, purple, pink, red, or green. CONTROLS: MK6i expandable electronics, including an MK690 controller with an MPJ Mark 6i joystick. or an MK6i display and alternative driver controls. RWD: Rear wheel drive. SEAT (DxW): 12 to 18 x 12 to 16, 16 to 19 x 16 to 20, or 19 to 22 x 20 to 24 inches. The seat width and depth are adjustable in 1-inch increments. The floor-to-seat height is 17.5 inches (low), 19.75 inches (medium), or 21 inches (tall). Seat tilt adjusts continuously from 0 to 10 degrees and the back angle adjusts from 80 to 115 degrees in 5-degree increments. UPHOLSTERY: Black nylon, black vinyl, grey cloth, grey vinyl, or tan vinyl. ARMRESTS: Adjustable- or fixed height full- or desk-length arms. The fixed arm height is 10 inches; adjustable height is 9.5 to 13.5 inches. CASTERS: 8 x 2.25 inch semi-pneumatic casters are standard. Options include 8 x 2.5 inch pneumatic and 9 x 3 inch pneumatic or foam-filled. WHEELS: 14 x 3 inch pneumatic drive wheels are standard. Options include 14 x 3 inch foam-filled and 14 x 4 inch pneumatic or foam-filled. POWER: Uses Group 24 battery (included). SPEEDS: 7 miles per hour. CAPACITY: 300 pounds (most sizes) or 400 pounds (available for 23- and 24-inch wide chairs only). WEIGHT: 190 pounds without batteries. WARRANTY: 5 years for base frame and GB motors; 3 years for seat frame; 1 year for electrical components, 4 pole motor, and remaining components except upholstered materials, padded materials, tires and wheels; 6 months for battery.