Features1Scope of Application: The 30A sine wave controller is suitable for electric bicycles, electric tricycles, electric four wheelers, electric motorcycles, etc., as long as the power and voltage match. 2Aluminum Alloy Material: The controller is made of aluminum alloy material, which can prevent thermal overload of the internal circuit due to good heat dissipation. 3Stable Performance: The electric bicycle 30A sine wave controller provides stable speed, quiet operation, sensitive braking and direction change control. 4Automatic Identification: The phase Angle and rated voltage of the electric bike can be automatically identified, more efficient and energy saving. 5Easy Installation: Durable cables and connectors ensure low failure rate during long term use. For your convenience, each interface has a different color.SpecificationItem Type: ControllerMaterial: Aluminium AlloyColor: As Pictures ShownWeight: Approx. 813g / 28.7ozPackage List1 x Controller1 x Bag1 x Manual