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) - Ignition switch: thin red (VCC) / thin blue - Indicator light: thin red (indicator power output) / thin black (indicator negative) - Brake: thin yellow (brake signal) / thin black (negative power supply) - Charging port: thin red (charge input power supply positive) / thin black (power supply negative) - Brake light: thin red (power supply positive) / thin black (power supply negative) - Governor: thin blue (handlebar signal input) / thin black (negative power) / thin red (5V positive power supply) Specifications: - Item name: Controller and Throttle Screw Grip - Rated voltage: DC 24V - Rated power: 350W - Matching motor: DC brush motor - Quantity: 1 Set - Throttle dimensions: (Length x Depth) 10 cm x 2 cm / 3. - Throttle working voltage: DC5V - Throttle control signal: 0.8V~4.3V - Power display voltage: DC 24V/350W/500W - Power display: - Normal: above 23V, 3 LED green lights - Half: 23V ~ 20V, LED yellow - Empty: 20V or lower, LED red - Rotation angle: 0~70 - Working temperature: -20~+50 - Fits standard 7/8 inch (22.2 mm) handles - Cable length is approximately 59 inches (1.5 m) - Quantity: 2 (1 Screw throttle handle and 1 normal handle (matching thumb handle)) - Electric bicycle scooter screw accelerator with power display, 5 LED battery indicator - Stickers random, 't accept the specified stickers - Material: composite Package Contents: - 1 * Brush Controller - 1 * Throttle Knob - 1 * Normal Handle - 2 * Key