Controller line interface definition:Battery: thick black (negative power supply) / thick red (positive power supply)Motor: dark white (negative pole of motor) / dark blue (positive pole of motor)Ignition switch: thin red (VCC) / thin blueIndicator light: thin red (indicator output) / thin black (indicator negative)Brake: thin yellow (brake signal) / thin black (negative power supply)Charging port: thin red (charging input power supply positive) / thin black (power supply negative)Brake light: thin red (power supply positive) / thin black (power supply negative)Governor: thin blue (governor signal input) / thin black (negative power) / thin red (5V positive power supply)Item name: Controller and throttle gripRated voltage: DC 36VRated power: 1000WMatching motor: DC brush motorThrottle:Throttle working voltage: DC5VSpeed control signal: 0.8V~4.3VPower display voltage: DC 24V/350W/500WPower display:Normal: above 23V, 3 green LED lights,Half: 23V~20V, yellow LED,Empty: 20V or below, red LEDRotation angle: 0 degrees~70 degreesWorking temperature: -20 Celsius~+50 CelsiusFits standard 7/8 inch (22.2mm) handlebarsCable length is approximately 59 inches (1.5m)Quantity: 2 (1 screw throttle grip and 1 normal grip (matching thumb grip))Electric bicycle scooter screw throttle with power display, 5 LED battery indicator.Color:As shownMaterial:composite materialPackage Contents:1 x Brush Controller1 x Throttle Grip1 x Normal Grip2 x KeyNOTE:Sticker: Random, don't accept the specifiedOnly the above package content, other products are not included.Note: Light shooting 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.