Professional grade control frequency for the best signal without interference. FHSS technology keeps checking for the best possible control signal beteween the transmitter and the car. Due to the Pro Grade 2,4GHz frequency, you can control your vehicle up to a distance of 100 meters The included pack can be charged in 1 hour. Less charging time means more race-time. Another advantage of the Pro Grade 2.4GHz! Up to 40 players an take part in a race without interference. Both throttle and steering are proportional which means you have precise control. The bodies are made of Lexan, flexible and durable. The heart of the car, the chassis, is made strong and durable. Just what you need in the heat of the race.