Specifications:Voltage: 24VWattage: 500WDimensions: 81 x 65 x 38mm/3.18 x 2.56 x 1.5"Casing material: aluminiumWiring:1 Black & yellow connector - Brake wire2 red & black connecotr - Charging port3 red & black & blue connecotor -Derailleur /throttle4 red & black connector - Indicator 5 red & blue connector - Power locks6 red & black connector - Brake light7 Thick white & blue connector - Motor8 Thick red & black connector - BatteryFor 350W-500W electric bike scooter.Package includes:1 x Brush motor controller