The SL600 Pinnacle Premium Stair Lift is an interior stair lift designed for use by individuals with balance, mobility, or walking disabilities. This stair lift has a comfortable seat with height adjustment and folding footrest. The track/rail is made of clear anodized aluminum. The lift has a 24-volt direct current (DC) motor. The SL600 can be configured to be controlled by the right or left hand. The seat travels up to 70 feet, swivels at upper landing, and folds back against the wall when not in use. Safety features include centrifugal overspeed brake, bi-directional footrest obstruction sensor, swivel seat cut-off switch, final limits, seat belt, and chassis obstruction switching. OPTIONS: Custom cut track, track (by the foot), 8 feet section of track, and key lock on lift. POWER: Uses a 100 to 240 volt alternating current (AC) grounded outlet. DIMENSIONS (DxH): The seat is 16 x 18 inches. The seat folds to within 11 inches of the wall. CAPACITY: 350 pounds. SPEED: 17 to 20 feet per minute. WARRANTY: Three-year warranty on parts; ten-year warranty on gear rack; one-year warranty on batteries.