?Made of high quality PA material?, ready to run and no need to assembly. ?1/18 scale suitable for indoor and outdoor control?. ?2.4GHz? supporting a range of remote control about 100 meters. ?70KM/h max high speed?, large capacity rechargeable battery, Upgraded 540 brushed motor. ?Shock absorption and collision avoidance design? provided longer service life,Suitable to operate on flat ground, over gravels or grassland. "Wheel Diameter: 71mm Motor: brush 390 Serve: 17g Car battery: 7.4V1100Mah Lipo battery Charging time: about 150 minutes Fastest speed: 50Km/h Playing time: 10 minutes Control distance: 100m"