Power:201-500w Voltage:36v Certification:UL CE Rohs FC Charging Time:2-3 Hours Foldable:No Range Per Charge:15-25 Km Tire Size:8inch Lithium-ion Battery:4.4Ah 36V Lithium Battery Motor:Dual 400W Motor with Dual Independent Gyros Max speed:15km h 9MMax. loading:120 kg 265 LBS Max.Climbing limit:18 Degree Frame material:Aluminum with Plastic Components