1Controller Panel Kit: The kit includes controller and instrument, which can be used separately or combined for electric scooter maintenance. 2Replacement Parts: The controller kit is applicable to modification of electric bike, electric scooter, etc. and replacement of damaged parts. 3Features: The DC brushless controller provides stable speed and low noise, is suitable for 350W motors, supports hard start, undervoltage protection, MOS tube short circuit protection, high temperature protection, etc., the premium aluminum shell is sturdy and durable, with notch design and good heat dissipation performance. 4Data Display: LCD panel supports speed display, power assisted gear display, single driving time display, power indicator, fault prompt, total mileage, single mileage, headlight indicator, headlight switch control, 6km/h boost control, backlight brightness setting, etc., provides you with a variety of vehicle control and bike status display functions, the buttons are easy to operate and use. 5Dial Function: The instrument is equipped with dial function and has a bracket for easy installation, which is suitable for 22mm handlebars.