Model No.:BRD-SR Product Name:Four Wheels Electric Skateboard Product materials:Canada hard rock maple Battery Type:18650 power Lithium-ion Battery pack Battery capacity:11AH Remote Control:Yes Dual drive:Yes Net weight:14.0KG Motor Power:1800W Gross weight:18.5KG Charge time:6H Max speed:40KM/H Max Mileage:25KM Working voltage:36V Colors:Black customized colors Max load:150KG Gradeability:20 degree Wheel Materials:PU and rubber