[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