This product is made of high-quality materials, lightweight, and easy to install with a compact design. It features a clear LED display and practical functionality. Features: - The display and controller are constructed from durable materials, lightweight, waterproof, sturdy, and reliable. - LED display clearly shows battery capacity; equipped with buttons for quick speed adjustment and headlight control, user-friendly operation. - Brushless controller operates quietly and smoothly, providing stable performance without sudden acceleration or deceleration for enhanced safety. - Includes a mounting bracket on the back of the LED display for simple installation, compatible with most handlebars. - Suitable for use with electric bicycles, scooters, and similar vehicles. Specifications: - Voltage Type: 24V, 36V, 48V (selectable) - Material: Plastic and metal - Power Rating: 250W / 350W - Speed Modes: (1:2:3) 33%, 66%, 100% - Controller Dimensions: Approximately 86 x 52 x 30mm (3.4 x 2.0 x 1.2 inches) - Display Dimensions: Approximately 80 x 42 x 15mm (3.1 x 1.7 x 0.6 inches) - Item Weight: 300g (10.6 ounces) - Package Dimensions: 200 x 50 x 80mm (7.9 x 2.0 x 3.1 inches) - Package Weight: 308g (10.9 ounces) - Note: Controller includes power switch module (output battery voltage, supports up to 50W connected power) Package List: - 1 x LED Display - 1 x Controller