Features1Automatic Identification Function: Lithium battery, water battery and dry battery are not distinguished, which can automatically identify, and the diameter of handlebar is 2.3cm / 0.9in. 2Wide Compatibility: Does not distinguish all types of electric vehicles, universal 12V99V electric vehicles. 3Commonly Used Wiring Method: The green wire is shifter hall signal wire, the red wire is shifter positive 5V, the black wire is the negative pole, please be sure to compare the function wiring of the controller, not simply connect the controller wiring according to color, once the wrong connection will cause damage to the controller or handle. 46 Core Wire: The yellow wire is connected to the positive pole of the power supply, the blue wire and the white wire are the function lines, including the reverse switch, horn switch, cruising switch, power switch and other switches. 5Manufacturing Material: Made of high quality plastic material, it is strong and durable, which undoubtedly extends its service life.SpecificationItem Type:ElectricBikeThrottleHandleWeight: Approx.280g / 9.9ozProduct Material: PlasticModel: S SeriesEfficiency: 98%Hall Grade: Linear HallWorking Voltage: Shifter DC0.8V-4.2VVoltage Adapter: Lithium Battery And Voltage Are Not Distinguished, And Can Automatically Identify (12V, 24V,36V,48V,60V,72V Electric Vehicles Can Be Directly Used, Part Of 84V Electric Vehicles Can Also Be Used)Handlebar Diameter:Approx.2.3cm/0.9inPackage List1 x Shifters1 x Handlebar Grips