2 pcs Car/Truck/Vehicle T25(3156) CREE LED Projector bulb Reverse Backup SMD LED Light White - Compatible Bulb Model(for reference only):3156/3056/3356/3456/4156/T25s Please measure your old bulb to make sure our bulbs will fit your vehicle If you are using these LED light bulbs to replace the Turn Signal blinker light, Tail brake Stop light, Parking / Daytime Running Light DRL or Backup Reverse 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 5W;Easy installation & play;Faster on/off response time Long life time Life expectancy up to 10,000 hours; Package included:2 x led bulbs