This display adopts materials, , rainproof, sturdy and . 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 to be divided into gears or not. Suitable for electric bicycles, scooters. Waterproof: Rainproof Note: Each cable is labeled with color for different uses. Red: power positive electrode Black: power negative electrode Yellow: power output Brown: lamp positive electrode White: lamp negative electrode Blue: indicator signal Green: signal receive Note: 1. The product power factory setting is 8, the basic general market most of the split booster, if the customer uses an integrated booster, set it to 12. Color: Black & White Material: Composite material Package Contents: 1 x LCD Display 1 x Controller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.