Function: Red line for positive car battery, black line for the car battery negative. 1. Green line: Multicolor when connecting to ACC. 2. White line: Light on highlights red when connecting to brake light. 3. Yellow line: Turn right.Light mode on yellow color 25% brightnedd from streamer from left to right When the right connection lights up. 4. Blue line: Turn left.Light mode on yellow color 25% brightnedd from streamer from right to left When the right connection lights up. 5. When double flash warning occurs, yellow light streamer mode from center to both sides at the same time and same speed, it is to highlight yellow color in the middle.