Features: Brushed Controller:Size: 8 x 6.5 x 4cm(500W); Rated voltage: DC 36VCurrent limit : 23A; Rated power: 500WMatching motor: DC brushed motorUnder Voltage Protection: 30VSpecification:Throttle:Throttle Works Voltage: DC5VSpeed Adjusting Signal:0.8V~4.3VWorking temperature: -20 ~ +50 Fits standard 7/8 inches(22.2mm) handle barsController Wires Interface Definition:Battery: Thick Black (Power Negative) / Thick Red (Power Positive)Motor: Thick White (Motor Negative) / Thick Blue (Motor Positive)Ignition Switch: Thin Red(VCC)/Thin BlueIndicator: Thin red (Indicator power output) / thin black (indicator negative)Brake: thin yellow (Brake signal)/ thin black (Negative Power)Charge Port: Thin red (charge input power Positive) / thin black (Power negative)Brake Light: Thin red (power Positive) / thin black (Power negative)Speed governor: Thin blue (Speed handlebar Signal input) / Thin black (Negative Power) / thinRed (5V Positive Power)color:Black + silverMaterial:ABS+MetalPackage Contents:1 x Brush Controller1 x Throttle Knob1 x Normal HandleOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.