[Speed Control and tires] Torque throttle control, up to 15.5 MPH -3.7 MPH -7.5 MPH -15.5 MPH, Grade 3, tire size :3.0-10 inch (x4) tubeless tires for driving on sand, snow, grass and muddy roads (LTL delivery, signature required, Heavy and oversized means quality and stability, suitable for the elderly and disabled) [Range/Recline/Capacity] Up to 25-31 miles per charge / 20% recline/weight Capacity :440 LBS Turning radius 90"(2.29 m)[Seats and features] Fully adjustable seats, legroom allowing for 6.5-foot tall driver, rear tilt and adjustable recline armrests, with H/L beams, 4 safety reflectors, USB charging port, horn and reverse horn, key card, rear case, stock pack under seat, automatic braking and smart charging 110v [After-sales maintenance]10 years of manufacturing experience, low failure rate. Spare parts and detailed troubleshooting instructions/video available guides to replace spare parts are available at our US distribution centers, and most Americans have a talent for do-it-yourself repairs, or visit a local auto repair shop for help. After receiving your text message, we will provide local online services. After-sales service engineers can provide on-site service as required