Features1Product Material: The controller housing is made of metal with groove design. Electric scooter controller kit is made of auminum alloy, PCB board and plastic. 2Heat Dissipation: Controller has good heat dissipation function, the internal circuit can be protected to avoid thermal overload. 3Easy Installation: The controller component is easy to install and use, equipped with wiring identification instructions, convenient to operate. 4Good Performance: 48V 25A electric scooter controller kit can provide stable speed and sensitive braking and direction change control. 5Applicable Model: Suitable for M4 and other 10 inch electric scooters. The appearance of the instrument is similar, and the whole set of models can be replaced.SpecificationItem Type: 10 Inch Electric Scooter Controller ComponentMaterial: Aluminum Alloy + PCB Board + PlasticColor: As Pictures ShownWeight: Approx. 453g/16ozProduct Size:Display Screen: Approx. 125x112mm/4.9x4.4inCable Length: Approx. 100mm/3.9inController: Approx. 97x70x33mm/3.8x2.8x1.3inTotal Communication Cable Length: Approx. 183cm/72inVoltage: 48VCurrent: 25AApplicable Handlebar: Diameter 22.2mm/0.9inApplicable Model: forM4 and Other 10 Inch Electric ScootersPackage List1 x Controller1 x Display1 x Communication Line1 x Wiring Sleeve1 x Wiring Manual