Features 1、[Good Heat Dissipation] The controller shell is made of high quality metal with grooved design, which has good heat dissipation function, protects the internal circuit and avoids thermal overload. 2、[Easy Installation] Electric bike brushless motor controller is easy to install and use, with LCD display for speed regulation, suitable for 22.5mm/0.9in handlebars. 3、[Stable And Responsive Control] Bicycle brushless motor controller provides stable speed and responsive control of braking and directional changes. 4、[LCD Display] Bike controller kit, LCD display can clearly display status and data, backlight allows you to see the screen clearly in dim environments, buttons are quick to operate and easy to use. 5、[Good Performance] Electric bike controller wire and interface are durable and ensure low failure rate after long term use, suitable for electric bicycles, scooters, etc. Item Type: Bicycle Controller Set Material: Aluminum Alloy Controller Box Size: Approx. 11.5 x 8.5 x 4.5cm / 4.5 x 3.3 x 1.8in Power: 450W Current Limit: 23A Package List 1 x Bicycle Controller 1 x Pair of Throttle Handle 2 x Key 1 x Manual