QUESTION: Does it have an oxygen carrier? ANSWER: Yes, we do carry oxygen carrier (MBA-OXYTH) for this companion heavy duty electric scooter as you can see on the website. It is an optional accessory for the scooter. For more discussions, options and details about the product, or to order the product, please click here The heavy duty electric scooter allows you to maneuver through all your daily obstacles, inside or out. The bright metallic finish will make you the envy of all your friends, while your newly found freedom will provide you with a fuller richer life. This 4-wheel heavy duty scooter features new improved control panel, microprocessor based service friendly electronics, effortless infinite adjustment tiller and improved 8 position swivel seat. Self diagnostic indicators. Sleep mode (auto shut down). Stylish recessed headlight. Included Front basket. The heavy duty scooter comes with increased leg room and upgraded ergonomic armrests.. Removable automobile style carpet. Unique independent front suspension. New more efficient control board. Batteries are included. Lift seat upgrade options available. Lift Seat by Electric Power (ACC-PSL-C-E). Lift Seat by Pneumatic Mechanism (OPT-2002). Exceptional warranties: Frame: limited lifetime. Motor / Electronics (excluding batteries): 2 years. Overall Width: 23.75" Overall Length: 49.5" Motor: Sealed transaxle, 24V Battery Type: Type U-1 x 2 Battery Charger: 3 Amp, on board Range: 23 miles Speed: 5.5 mph Weight Capacity: 350 lbs. Weight of Heaviest Part: 39 lbs. Weight w/o Battery: 156 lbs. Weight w/ Battery: 179 lbs. Turing Radius: 58.5" Ground Clearance: 4" Tire Size: 9" x 10" Front and Rear