This throttle can be used for almost Hall type electric bicycle, scooter, motorcycle. Functions: Three Speed, P Gear, Reverse, One Click Repair, Left Turn Signal, Turn Right Signal, Headlight, Horn, High Beam, Low Beam. The color of the corresponding wire may change. You only need to disassemble the handle when installing, and you can see the wiring at the corresponding position to be clear. At the same time you can connect some function lines to the functions you need. Colour:Black Material:Plastic Package Contents: 1 set * Throttle Switch Combination Only the above package content, other products are not included. Note: Light reflection 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.