Specifications:Material: Aluminium Alloy + RubberColor: Golden, Silver, Red, Blue (optional)Package Weight: approx. 285gWire Length: approx. 2m / 78.7"Type: 3 gears switch, high speed, middle speed, low speed (Adjust the speed of electric car, need controller to support)Compatible With: Suitable for 12V-99V Electric BicycleFitment: Fit for 22.2mm diameter handleWorking Voltage: Throttle DC0.8-4.2V, battery level indicator, 12-84V automatically identify. Application for any battery such as lithium battery , lead-acid batteryCompatible With: Universal throttle for electric bike, scooter, tricycle, and other electric vehicle7 Wires:Yellow is for power positive, usually connect with battery power + 24V 36V 48V3 throttle wires :Red is for throttle positive + 5VGreen is for twist throttle signal wireBlack is for throttle negativeThe other three white blue and brown is for gears 3, please make sure your controller has 3 gears wireWhite is for high speedBlue is for middle speed shared lineBrown is for low speedPackage Included:2 x Handlebars (1pc right handle, 1pc left handle grip)1 x 2m Line