Features1Good Heat Dissipation: The controller housing is made of metal with notch design, which preserves the internal circuitry due to good heat dissipation, thus avoiding thermal overload. 2Applicable: The electric bike brushless motor controller is easy to install and use, LCD display speed control handle, suitable for 22.5mm handlebar. 3Sensitive Control: The electric bike motor controller provides stable speed and sensitive control of braking and direction changes. 4LCD Screen: LCD screen can clearly show the status and data, backlight allows you to see the screen clearly in the dim environment, button quick operation, easy to use. 5Panel Display Content: Single run mileage real time speed, battery power and voltage, low battery alert, gear indication total mileage, fault coding, etc.SpecificationItem Type: Electric Bike Controller KitMaterial: Aluminum Alloy, ABSGross Weight: 1071g / 37.8ozPower: 500WCurrent Limit: 28APackage List1 x Controller2 x Grip1 x Panel1 x Washer2 x Key1 xManual