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 blueIndicator 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) / thinRed (5V positive power supply)Item name: Controller and Throttle Screw GripRated voltage: DC 36VRated power: 500WMatching motor: DC brush motorThrottle:Throttle working voltage: DC5VVelocity control signal: 0.8V~4.3VPower display voltage: DC 24V/350W/500WPower display:Normal: above 23V, 3 LED green lights,Half: 23V ~ 20V, LED yellow,Empty: 20V or lower, LED redRotation angle: 0degree ~70degree Working temperature: -20Celsius~+50CelsiusFits standard 7/8 inch (22.2 mm) handlesCable 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.Colour:As shownMaterial:composite materialPackage Contents:1 x Brush Controller1 x Throttle Knob1 x Normal Handle2 x KeyNOTE: Sticker: Random,don't accept the specifiedOnly 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.