Controller line interface definition: Battery: thick black (power supply negative) / thick red (power supply positive); Motor: dark white (negative pole of the motor) / dark blue (positive pole of the motor)<br> Ignition switch: thin red (VCC) / thin blue; Indicator light: thin red (indicator power output) / thin black (indicator negative)<br> Brake: thin yellow (brake signal) / thin black (negative power supply); Charging port: thin red (charge input power supply positive) / thin black (power supply negative)<br> Brake light: thin red (power supply positive) / thin black (power supply negative)<br> Governor: thin blue (handlebar signal input) / thin black (negative power) / thin Red (5V positive power supply)<br> Specifications:<br> Item name: Controller and Throttle Screw Grip<br> Rated voltage: DC 48V<br> Rated power: 1000W<br> Matching motor: DC brush motor<br> Throttle:<br> Throttle working voltage: DC5V<br> Velocity control signal: 0.8V~4.3V<br> Power display voltage: DC 24V/350W/500W<br> Power display:<br> Normal: above 23V, 3 LED green lights,<br> Half: 23V ~ 20V, LED yellow,<br> Empty: 20V or lower, LED red<br> Rotation angle: 0~70<br> Working temperature: -20~+50<br> Fits standard 7/8 inch (22.2 mm) handles<br> Cable length is approximately 59 inches (1.5 m)<br> Electric bicycle scooter screw accelerator with power display, 5 LED battery indicator.<br> Stickers: random styles, 't accept the specified styles<br> Different batches may cause differences in product appearance, text, and color, which will not affect the use<br> Color: As Shown<br> Material: metal<br> Package Contents:<br> 1 x Brush Controller<br> 1 x Throttle Knob<br> 1 x Normal Handle<br> 2 x Key<br> Only the above package content, other products are not included.<br> Note: Light reflection 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.