Key Features Made to Last: High-class aluminum alloy, plastic, and rubber make this product sturdy, scratch-resistant, impact-resistant, and not easy to corrode and deform, ensuring a long service life. Complete Kit: This product is a complete set consisting of a controller, display screen, thumb throttle, etc., which does not require a separate purchase and can provide you with more stable and consistent performance. Flexible Control: The brushless controller can respond sensitively to the status of the electric bicycle, providing smooth speed control and sensitive braking and direction change control. High Safety: The product has built-in overvoltage/undervoltage protection, overcurrent protection, overload protection, overheating protection, loss of control protection, and motor stall protection, making the kit safer and more reliable to use. Comfortable Driving: The sine wave controller ensures that the motor rotates quietly, smoothly, and efficiently, thereby reducing noise and vibration during driving and providing you with a more comfortable driving experience. Excellent Performance: The clear LCD display screen can show real-time speed, maximum speed, average speed, total mileage, single mileage, battery display, gear assist/speed grading, and cruise control, making it convenient for you to timely understand the riding status and adjust the speed. Meanwhile, the backlight enables you to see the screen clearly in a dim environment. Application This product is suitable for electric tricycles, electric scooters, and various DC motors. Specification Material: Aluminum Alloy, Plastic, Rubber Color: Black Style: Modern Assembly Required: Yes Controller Type: Brushless Controller Display Type: LCD Brakes: Low Level PAS: 1:1 Voltage: DC 36/48V Power: 750W-1200W Current: 30±1A Applicable Handlebar Size: 21mm/0.83in; 22mm/0.87in; 23mm/0.91in; 24mm/0.95in; 31.8mm/1.25in Display Screen Size (L*W): 68*96mm/2.68*3.78in Controller Size: 21.2*11.5*5.5cm/8.34*4.52*2.16in Package Size: 23*22*13cm/9.06*8.66*5.12in Gross Weight: 1.12kg/2.47lbs Net Weight: 1.06kg/2.34lbs Package Included 1* LCD Display&Holder 1* Thumb Throttle 1* Turnbuckle Cover 1* Controller 1* Pedal Assist Sensor Other Accessories for Assembly Notes 1.Please note that the speed depends on the size of the wheels, road conditions, battery conditions, customer load, wind speed, and other factors. 2.Please ensure that the product must be securely and correctly connected during installation to ensure its normal operation. If an error occurs during the installation process, the device will not function properly.