1Product 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 20A electric scooter controller kit can provide stable speed and sensitive braking and direction change control. 5Applicable Model: Suitable for KUGOO M4 and other 10 inch electric scooters. The appearance of the instrument is similar, and the whole set of models can be replaced. Item Type: 10 Inch Electric Scooter Controller Component Material: Aluminum Alloy + PCB Board + Plastic Color: As Pictures Shown Weight: Approx. 453g/16oz Product Size: Display Screen: Approx. 125x112mm/4.9x4.4in Cable Length: Approx. 100mm/3.9in Controller: Approx. 97x70x33mm/3.8x2.8x1.3in Total Communication Cable Length: Approx. 183cm/72in Voltage: 48V Current: 20A Applicable Handlebar: Diameter 22.2mm/0.9in Applicable Model: for KUGOO M4 and Other 10 Inch Electric Scooters 1 x Controller 1 x Display 1 x Communication Line 1 x Wiring Sleeve 1 x Wiring Manual 1. Please allow 13 cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.