Application: Super Bright White 3157 48 LED Light NOTE: This is the Super Bright 48 LED 3157 bulb size LED to upgrade your standard halogen bulb. These lights are used for turn signal, brake, backup light. Please double check the size of the bulb of your car before purchasing. We suggest the use Sylvania automotive lamp replacement guide online to ensure you purchase the right size bulb. If the bulb has hyper blinking or flashing means your car has OBC (On-board Computer) check you need to either add load resistor to each bulb or add decoder (depending on your car) to avoid hyper blinking or flashing. You can check them out at our store. Interchange Part Number: 3157 3156 T25 3057A 3357NA 3456 4156 3057 3155 335 3157 3057 3457 4157 3047 4057 4112 Tail Light Specification: Color: White (around 6000k) LED Type: 48 SMD Actual Lumen: 420LM Beam Angle: 360 degree ** If the LED does not light up, simply flip it 180 degrees (reverse the polarity).