Features: 1.Product Name: speed control handle 2.Product function: speed regulation and three speed reversing 3.Product material: aluminum alloy ABS plastic material high quality rubber 4.Product features: The exquisite design of the shell and the anti slip design of high quality rubber make your driving more comfortable. 5.Product installation: Plug black line Red Line Green Line is speed control plug (black grounding line Red +5V positive Line Green the signal line) Plug 2 Brown Line yellow line blue line is three speed adjustment (brown high speed yellow medium speed blue low speed) Specification: Product Name: speed control handle Product function: speed regulation and three speed reversing Product material: aluminum alloy ABS plastic material high quality rubber Product features: The exquisite design of the shell and the anti slip design of high quality rubber make your driving more comfortable. Product installation: Plug black line Red Line Green Line is speed control plug (black grounding line Red +5V positive Line Green the signal line) Plug 2 Brown Line yellow line blue line is three speed adjustment (brown high speed yellow medium speed blue low speed) Installation diameter 22mm Package2 x Motorcycle handle PackageList: 2 x Motorcycle handle