1.CE/ROHS 2.Remote control with 2 speeds 3.Max. Speed:20km/h 4.Motor:900Wx2 PCS 5.Battery life:5- ... )50~60HzPerformance: Control methodRemote key on/off, inertia sense controlTop speed(Km/h)~20km/hMax slope(°)15°Turning radius(mm)0Protection ... temperature, load, Etc.Safety: Active protection Rider-on detection,Intelligent speed limit,low power, over temperaturerange, over voltage, over load, dangerous ...