Feature: 1. PANEL DISPLAY CONTENT: LCD panel display includes single run and accumulated run mileage, real time speed, battery level, gear indication, fault word interface, etc. 2. GOOD HEAT DISSIPATION FUNCTION: 500W motor controller housing is made of metal with groove design, which has good heat dissipation function to preserve the internal circuit and avoid thermal overload. 3. CONTROLLER HARNESS FUNCTION: Controller wiring harness function contains power supply positive and negative, motor three phase wire, headlight interface, tail light, brake light interface, etc. 4. SCOOTER CONTROLLER KIT: LCD display can clearly show the status and data. The controller can provide stable speed and sensitive control of braking and direction change. 5. EASY INSTALLATION: Electric bicycle controller kit is easy to install and suitable for electric bicycles, scooters, etc. It is suitable for 22.5mm/0.9in diameter handlebars. Specification: Item Type: Scooter Controller Kit Material: ABS, Aluminum Alloy Voltage: 36V 48V Power: 500W Current Limit: 28A Low Voltage: 30V 42V Controller 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 power off, PAS1:1 power assist, speed control throttle turner, total electric door (electric lock), LCD LCD meter interface, motor hall interface. Package List: 1 x Panel1 x Half Handle1 x Accessory1 x Grip1 x Controller1 x Instruction Book2 x Key