Features1Metal Case: The case is made of metal with a fluted design, which protects the internal circuitry due to heat dissipation, thus avoiding thermal overload 2Waterproof: The display panel is made of ABS material, strong and durable, fine workmanship, with toughness and waterproof performance, to provide better protection for the internal circuit, make it more durable 3Main Application: Motor controller suitable for DIY electric bicycle, electric bike, electric scooter, easy to maintain 4Stable Performance: Controller performance is stable and reliable. With under voltage protection, over current protection, stall speed protection and other protection functions to ensure the use and safety of electric bicycles 5Multiple Functions: Display panel has multiple functions. It displays many useful data on your bike while riding, such as turn on,turn off button, light switch, battery level display and other functions, one display panel can keep you informed at all times. Display panel is suitable for 22.2mm handlebars, easy to install and useSpecificationItem Type:Bike Dual Drive Controller KitcProduct Material: Aluminum Alloy,ABSWeight: Approx. 1342g / 47.3ozSingle Controller Current Limit: 28ASingle Controller Power: 500WDisplay Panel Parameters:Suitable for Handlebar Installation: 22.2mm / 0.9in Diameter HandlebarInstrument Function Description: Display Function: Speed Display, Power Gear Display, Power Indicator, Fault Prompt, Total Mileage, Single Mileage, Headlight DisplayPackage List2 x Bike Dual Drive Controller1 x Display Panel1 x Specification