2 pcs Car/Truck/Vehicle T15/T10 High Power CREE LED Projector bulb 912 921 Reverse Backup SMD LED Light White - Compatible Bulb Model(for reference only):T10 T15 158 168 192 193 194 2825 921 W5WB W5W 2821 1250 1251 1252 12256 12961 147 152 159 161 194NA 259 280 285 175 184 2450 2521 2525 2652 2827 2886x 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