Features1Notched Design: The controller shell is made of metal with a notched design, which protects the internal circuitry due to great heat dissipation, thus avoiding thermal overload. 2Waterproof: The display cover is made of ABS material, light and strong, with great toughness and waterproof performance, to provide better protection for the internal circuit. 3Clear Data Display: HD LCD display panel, built in intelligent chip, integrated gear switching, convenient for you to see accurate real time riding data. Backlight design, you can see clearly when you travel at night. 4Multiple Display Functions: When riding a bike, the panel will display a lot of useful data on your bike, such as the switch button, light switch, battery level and other functions, a display screen can keep you in touch with the situation. 5Easy Installation: The controller and display are easy to install and replace, 22.2mm display mounting diameter, suitable for 500W to 750W motor, convenient for daily maintenance. 6Main Uses: DIY electric bike, electric scooter, folding bike, etc. The bike conversion kit greatly improves the fun of riding, suitable for cyclists who like a challenge.SpecificationItem Type: Electric Bike Conversion SetMaterial: ABS, rubber, aluminum alloy, metalWeight: Approx. 695g/24.5ozController Size: Approx. 120x60x35mm/4.7x2.4x1.4inCurrent: 261AController Speed Setting: 1.1 to 4.2VApplicable Motor Power: 500W to 750WPackage List1 xDisplay Panel1 xController1 x Specification1 xController Bag