Features:This display adopts good quality materials, lightweight, rainproof, sturdy and durable.LCD display can clearly show the state and data, backlight enables you to see scree clearly in dim environment, buttons for quick operation, easy to use.The controller is brushless type, working silently and sensitive to the state of electric bike.Easy to install and use, comes with mount for LCD display and suitable for 22.5mm handlebar. Can set the poweron password, control the lights, cruise and boost. The vehicle speed is divided into gears, the number of gear positions is 3/5/9 gears optional, and turn the handle can be selected to be divided into gears or not.Suitable for electric bicycles, scooters.Specification:Material: Plastic + LCD + MetalColor: Shown as pictureOptions: 1#24V-36V; 2#36V-48VPower: 250W/350WLow-voltage Protection: 1#24V-36V: 19V/30V; 2#36V-48V: 30V-41VWaterproof: RainproofController Size: Approx. 8.8 x 5.2 x 3cm / 3.46 x 2.04 x 1.18inchDisplay Size: Approx. 8 x 5cm / 3.15 x 1.97inchWeight: Approx. 332gPackage List:1 x LCD Display1 x ControllerNote:Each cable is labeled with color for different uses.Red: power positive electrodeBlack: power negative electrodeYellow: power outputBrown: lamp positive electrodeWhite: lamp negative electrodeBlue: indicator signalGreen: signal receive