Features1Clear Display: Meter displays single run mileage and run time, speed, battery power and voltage, total mileage, cumulative maximum speed, etc. 2Multifunction: Controller wiring harness functions include positive and negative power supply, headlight interface, taillight, brake light interface, battery power output, etc. 3Overload Protection: Controller adopted a notched design, which great for the internal circuitry due to good heat dissipation, thus avoiding thermal overload. 4Easy Install: Brushless controller kit is easy to install, which is suitable for electric bicycles, scooters, etc., suitable for 22.5mm diameter handlebars. 5 Aluminum Alloy: Electric scooter controller made of aluminum alloy and ABS materials, firm and sturdy, which can be used for a long time without broken.SpecificationItem Type: Electric Scooter ControllerMaterial: Aluminum Alloy, ABSPower: 500WCurrent Limit: 28APackage List1 x Meter1 xElectric Scooter Controller1 x Manual