Feature: 1. This is a 48V 800W electric scooter electric bicycle brush DC motor speed controller. 2. Made of good quality aluminum material, sturdy and durable for long time use. 3. Suitable for 800W brush motor. 4. Applicable voltage: 36V/48V. Stable running and excellent performance. 5. Brush controllers for electric bicycles and scooters. Specification: Condition: 100% Brand New Item Type: Brush Motor Controller Material: Aluminum Color: as picture shown Working voltage: 48 (V) Undervoltage protection: 42V Current limit: 28A Rated power: 800 (W) Size: approx. 9x6.5x3.8cm/3.5x2.6x1.5inch Supporting motor: 800W brush motor Brush controllers for electric bicycles and scooter Wire connection: Battery: black (power negative)/red (power positive) Motor: thick yellow (negative electrode of motor)/dark blue (positive electrode of motor) Ignition switch: light red (VCC)/light blue Indicator light: light red (indicator power output)/light black (indicator negative) Brake: light yellow (brake signal)/light black (negative power) Governor: light blue (speed handle signal input)/light black (negative power supply)/light red (5V positive power supply) Charging port: light red (positive pole of charging input power)/light black (negative pole of power) Brake lamp: light red (power positive)/light black (power negative) Package List: 1 x Brush Motor Controller