Feature: 1. Good Heat Dissipation: The controller housing is made of high quality metal with grooves designed to protect the internal circuitry from thermal overload due to good heat dissipation. 2. Easy to Install: The electric bicycle brushless motor controller is easy to install and use, LCD display speed adjustable handle, suitable for 22.2mm handlebars. 3. High Sensitivity: Brushless motor controller kit provide steady speed and sensitive control of braking and directional changes. Provide a safer driving experience. 4. LCD Display: LCD display can clearly display status and data, backlight allows you to see the screen clearly in a dim environment, button quick operation, easy to use. 5. Stable Performance: Professional manufacturing, craftsmanship and high accuracy help to provide stable performance to meet your various needs. Specification: Item Type: Electric Bike Brushless Controller Kit Material: Aluminium Alloy Weight: Approx. 654g / 23.07oz Voltage: 36V 48V Power: 350W Current Limit: 13A Low Voltage: 30V 42V. Package List: 1 x Controller1 Pair x Turning Handle2 x Key1 x Manual