Feature 1Notched Design: The controller shell is made of excellent 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 premium 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: This lithium battery modification kit includes 1 sinewave controller, 1 LCD7U display panel, 1 motor adapter, 2 turn handle, 1 power assisted wire, 1 power assisted magnetic plate and 1 accessory, easy to install and replace, 22.2mm display mounting diameter, convenient for daily maintenance. 6Main Uses: Suitable for 500W motor, 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.Item Type: Electric Bike Conversion KitMaterial: ABS, rubber, aluminum alloy, metalWeight: Approx. 1014g/35.8ozController Size: Approx. 125x65x40mm/4.9x2.6x1.6inMaximum Current: 221AController Rated Voltage: DC 36V 48VController Rated Current: 11AController Speed Setting: 1 to 4.2VApplication: Applicable to 500W motor, matching report protocol for KT products (commonly known as the No.1 report protocol) .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Controller1 x Display Panel1 x Motor Adapter2 x Turn Handle1 x Power Assisted Magnetic Plate1 x Power Assisted Wire1 x Accessory2 x Specification