Features1PANEL DISPLAY INCLUDES: Single running mileage and running time, real time speed, battery power and voltage, gear indication, light status indication, etc. 2APPLICABLE OBJECTS: Electric bike controller panel kit is easy to install, suitable for electric bicycle, scooter, etc., applicable to 22.5mm diameter handlebars. 3METAL SHELL: The controller shell is made of metal with groove design, wear resistant and scratch resistant, long service life. 4HEAT DISSIPATION: The controller has good heat dissipation function, which can guard the internal circuit and thus avoid thermal overload. 5CONTROLLER WIRING HARNESS FUNCTION CONTAINS: Power supply positive and negative, motor three phase wire, headlight interface, tail light, brake light interface, etc.SpecificationItem Type: Electric Bicycle Brushless Controller KitMaterial: ABS, Aluminium AlloyPower: 500WCurrent Limit: 28AController Wiring Harness Function Contains: Power supply positive and negative, motor three phase line, headlight interface, tail light, brake light interface, brake light headlight signal, battery power output, intelligent identification line, low brake disconnect, PAS1:1 power assist, speed control throttle turner, total electric door (electric lock), LCD meter interface, motorfor Hall interface.Package List1 x LCD Display Panel1 x Controller1 x Instruction Manual