Feature:1. The display is made of high-quality materials, light weight, rainproof, strong and durable.2. The LCD display can clearly display status and data, the backlight allows you to see the screen clearly in a dim environment, and the buttons are quick and easy to use.3. The controller is brushless, works silently, and is sensitive to the state of the electric bicycle.4. Easy to install and use, with bracket for LCD display, suitable for 22.5mm/0.9in handlebars.5. Suitable for electric bicycles and scooters.Specification:Condition: 100% brand newItem type: LCD Instrument ControllerMaterial: Aluminum film + plasticColor: As picture shownLCD appearance size: Approx. 80x48x48mm/3.1x1.9x1.9inLCD display screen size: Approx. 52x38mm/2x1.5inController size: Approx. 88x52x30mm/3.5x2x1.2inMounting handle diameter: Approx. 22.5mm/0.9inWeight: Approx. 360g Undervoltage protection: 19V/30V, 30V/42VOptional voltage: 24V/36V, 36V/48VPower: 250W/350W.Package List:1 x Controller1 x LCD InstrumentNote:Each cable is marked with a color for different purposes.Red: positive power supplyBlack: negative power supplyYellow: power outputBrown: lamp positiveWhite: lamp negativeBlue: indicator signalGreen: signal reception