Feature 1HEAT DISSIPATION: The controller shell is made of premium metal with groove design. With good heat dissipation function, it can avoid heat overload and protect the internal circuitry. Plus, the panel is made of ABS material, light weight and durable with waterproof performance, providing better protection for the internal circuit. 2LCD DISPLAY: The panel has a built in smart chip and integrated gear switching. Real time cycling data is clear at a glance. Thoughtful background light design, you can see it clearly day and night. LCD display provides accurate power, speed as well as riding mileage display. 3MULTI FUNCTIONS: The panel has multiple functions. It displays many useful data on your bike while riding it, such as on off buttons, light switches, battery level display and other functions. A display allows you to keep track of the situation at all times. 4EXCELLENT DIY TOOLS: This controller kit contains 30A triple mode controller and UKC3 instrument. It is suitable for your own DIY conversion to meet your diversified needs. panel installation diameter is 22.2mm, perfect accessory for electric bikes, electric scooters, etc. 5WIDE APPLICATION: This speed controller is designed for 7501000W motors and mainly used as DIY electric bikes, electric scooters, folding bikes, etc. Easy to maintain. Improve the pleasure of riding, suitable for cyclists who like challenges.Item Type: Motor speed controller kitMaterial: ABS, rubber, aluminum, metalWeight: Approx. 640g / 22.58ozApplication: For 750-1000W motor Controller Size: 150x60x35mm / 5.91x2.36x1.38inMaximum Current: 301AController Voltage: DC 24V, 36V, 48VController Speed Setting: 1.1-4.2VBrake: Input low level .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 Electric Controller1 x LCD Display1 x Manual