Features1Display Content: The meter displays single run mileage, real time speed, battery power and voltage, gear indication, total mileage, cruising indication fault code, headlight icon, etc. 2 Heat Dissipation: With good heat dissipation function, can protect the internal circuit, so as to avoid thermal overload. 3 Materials: Made of ABS and aluminum alloy, the controller housing is made of metal with a grooved design, which is strong, durable. 4Applicable Scene: Suitable for electric bikes, scooters, etc., suitable for 22.5mm diameter handlebars. 5Controller Harness Function: The function includes the positive and negative poles of the power supply, the three phase motor wire, the headlight interface, the tail light, the brake light interface, the brake light headlight signal, battery power output, intelligent identification line, low brake power off, PAS1:1 assist, speed control throttle handle, main electric door (electric lock), LCD instrument interface, motor for Hall interface.SpecificationItem Type: Brushless Controller KitMaterial: ABS, Aluminium AlloyPower: 500wCurrent Limiting: 28APackage List1 x LCDDisplay1 x Brushless Controller1 xUser Manual