DescriptionIf you are still looking for a Electric Bike Control Device with practical and reasonable price, I will tell you that our product will be your best choice. It adopts from metal material, so you can keep it for longtime. It can be your good helper.Features-Color:As Shown -Material:Aluminum -Size:15.00X8.00X4.00cm/5.89X3.14X1.57in -Voltage:36/48V. -Current:181A. -Power:500W.-Characteristic and exquisitewith professional design.Simple and generous in design, smooth in lines.- The hardness of the material can keep that it not easy to deform under normal wear.- Itprovides better protection for inner circuit. It allows steady and speed control of braking and direction changes.-With excellent texture and exquisite craftsmanship, can improve the performance of your scooter.- Easy to install, efficient and practical, it will be your good replacement choice, efficient and practical.