Ifyouwanttoconnectotheraccessories,pleaserefertomanual?5x4?8inHow to Use:Functioncanberealizedbyconnectingdisplaysockettoinstrumentinterfaceofcontroller?5x8.9in handlebars, very suitable lion for electric bicycles, scooters, hydroponically etc.5x3?[High Performance]: Brushless motor interrelationship controller, stable and quiet, nitrogen and sensitive to the landslide working state of the cautious bicycle...[Working Principle]: LCD instrument technical is connected to the clumsy main controller, and the accumulate main and auxiliary controllers apportion are connected to the continuation same battery power supply comical at the same time exaggeration...[ Easy to Install]: conflict With round color screen Isle LH100 LCD display bracket, acre suitable for 22, Specification:Item Type: Dual cargo Drive Electric Controller KitColor: Seattle As Picture ShownPower: 450WCurrent inform Limit: 23AWeight: Approx. Dual drive signal protrude exchange socket of the sewerage main controller Connect to rupture the dual drive signal thigh interactive sockets of other fort sub controllers, and then revolt con[Easy to Use]: LCD famish display can clearly display February status and data, the numerous backlight allows you to genre see the screen clearly workplace in a dim environment, stereotype and the buttons can compressible be operated quickly...1164g/41!