Two-wheeled vehicles, takeaway models, users who want to modify the lights that are broken or incomplete. As long as the voltage is confirmed to be correct and there is a position to install, the function of the light can be realized. The light voltage cannot be wrong!!! Product name:Electric bicycle taillight assembly Function:brake light, left and right turn signal, driving light (3-in-1 taillight) Line wiring about 50CM, blue right turn signal, orange left turn signal, white driving light, black negative pole, red brake positive pole, yellow-green brake negative pole Product size:about 32CM long Voltage:A:12V Colour:Black Material:Plastic Package Contents: 1 * Taillight 1 * Adapter Cable 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.