Features1Instrument Display Content: The instrument displays single running mileage, real time vehicle speed, battery power and voltage, gear indicator, total mileage, cruising indicator fault codes, headlight icon, etc. 2 Heat Dissipation: heat dissipation function, can protect the internal circuit, so as to avoid thermal overload, easy installation. 3 Materials: Made of ABS and aluminum alloy, the controller housing is made of metal with a grooved design for strong, durable performance. 4Applicable Scene: The brushless controller kit is suitable for electric bikes, scooters, etc., suitable for 22.5mm diameter handlebars. 5Controller Harness Function: The function of the controller wiring harness 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 AlloyVoltage: 36V 48VPower: 500wCurrent Limiting: 28ALow Voltage: 30V 42VPackage List1 x LCDDisplay1 x Brushless Controller1 xUser Manual