2 pcs Car/Truck/Vehicle T25 3157 Pure White Switch back 54 SMD 3528 LED Tail brake stop LED head Light Bulb - Compatible Bulb Model(for reference only):3047 3057 3155 3157 3157A 3357 3457 3457A 4157 Please measure your old bulb to make sure our bulbs will fit your car;Package includes:2 x LED lights; If you are using these LED light bulbs to replace the Tail brake Stop light, Parking light; depending on your vehicle electric circuit, you may need to add a pair of load resistors to prevent hyper/error flashing or malfunction problem VoltageDC 12V;Easy installation & play;Faster on/off response time Long life timeLife expectancy up to 50,000 hours;The light will have a low luminance when driving but a high luminance when parking/braking; Some customers may think this LED light is not brighter than their original light since the LED light has a lower power and is energy-saving; But good thing is that the LED light will not darken or dim as the halogen lights;