Features1Strong Practicality: It is a good accessory for electric bicycles, scooters, etc, bringing you a more comfortable riding experience. 2High Quality Material: The controller shell is made of aluminum alloy, which is sturdy and durable and has a long service life. 3Groove Design: It can protect the internal circuit, facilitate heat dissipation, and avoid thermal overload. 4Durability: The wire and interface are durable, ensuring low failure rate after long term use. More efficient and energy saving. 5Stable and Sensitive: It can provide stable speed and sensitive braking and direction change control.SpecificationItem Type: ControllerMaterial: Aluminum AlloyController Box Size: Approx. 22.8 x 8.5 x 4.5cm/9.0 x 3.3 x 1.8inPower: 1500WCurrent Limit: 50APackage List1 x Controller1 x Manual