Features1Heat Dissipation Function: The controller shell is made of metal with a notch design, which preserves the internal circuitry from thermal overload due to good heat dissipation. 2Multiple Data Display: Single run mileage and run time, real time speed, battery level and voltage, gear indication, total mileage, cruising indication, fault icon coding, etc. 3Applicable: This controller panel handle kit is suitable for electric bikes, scooters, etc. It is suitable for 22.5mm diameter handlebars. 4Replacement Parts: This bike controller panel kit can be used for conversion and repair replacement, replacing damaged original parts. 5Easy Installation: The controller and thumb throttle are easy to install, convenient to operate, even for beginners, and can be used with confidence.SpecificationItem Type:Electric Bike ControllerKitMaterial: Aluminum Alloy, ABSGross Weight: 830g / 29.3ozPower: 500WCurrent Limit: 28APackage List1 x Controller1 x Panel1 x Manual