3157 Projector 5630 Chip LED Yellow/Amber Signal Brake Tail Stop Lights Bulbs Package Content: 2 LED Light Bulbs Color: Yellow, Lumen: 560lm (standard bulb: 400lm) Compatible with: 3157/3156 Professional installation is highly recommended (No instruction included) Note: When using LED bulbs for turn signal, you will need to use load resistor or decoder set to prevent hyper flash or bulb malfunction.