Description: Controller with LCD Display is small in size, light in weight, and easy to carry, providing users with a good experience.Brushless motor controller can provide stable speed and sensitive control of braking and direction changes.Thumb throttle electric bike brushless controller has strict quality control and quality assurance, high safety factor, and can be used with confidence.Electric bicycle brushless motor controller is easy to install and use. The LCD display screen is suitable for 22.5mm/0.9in handlebars.Controller shell is made of high‑quality metal with groove design. Due to its good heat dissipation function, it can protect the internal circuit and avoid thermal overload. How to Use: Connect the handlebar socket to the handlebar interface of the controller to realize the function. Specification: Item Type: Brushless Controller Material: Aluminum Alloy Weight: Approx.910g/32.1oz Handlebar Cord Length: Approx. 180cm/70.9in Controller Box Size: Approx. 15x8.5x4.5cm/5.9x3.3x1.8in Power: 500W Current Limit: 28A Voltage: 36V/48V Universal Thread Color Definition: ① Red Power Input ② Yellow Switch Output ③ Blue Signal Transmission ④ Green Signal Reception ⑤ Black Negative Handlebar Package List: 1 x Controller 1 x Pair of Handlebar 1 x Manual