Desp. - Radio control - Control distance: 30m up - Full suspension system - Differential gear - Steering alignment knob on car - Batteries (alkaline cells): 3 x "AA" for car, 1 x "9V" for transmitter Trade mark Authorization：BMW Certification：CE & FCC Accessories A）Controller B）1 x 9V alkalinity battery ( use on controller) Frequency 27MHz 40MHz We are a supplier of all kinds of RC toys in China.Factory is located in Shantou,Guangdong.Showroom is in Shenzhen where is near SZ train station,welcom to visit us at any time. MSN: victory168966 at hotmail dot com E-mail: Linda at woddon dot com thanks