Backup Reverse Lights, PhotonDynamic 800 lumens Extremely Bright Error Free T15 W16W 921 912 PX Chipsets LED Bulbs For Backup Reverse Lights, Xenon White. Only used for backup reverse lights. (Set of 2 bulbs) Each bulb include 15 Piece high quality PX LED chipets. Color: 6000K Xenon White. Size: 1.5" x 0.6" x 0.2" . It is perfect for customers who are looking for a extremely bright output. Lighting output: about 800 lumens for each bulb. Voltage DC 9V-30V. Fits 912 921 906 904 902 W16W T15 etc. Error free design ,built-in load resistors to work for cars without on board computer error on dashboard. NOTE: Error free capability may not be compatible to the newest European vehicle. Our bulbs use high lumens and only the best quality and authentic PX chips, equipped with constant-current driving IC which is much brighter and has a longer life span than most cheap, fake PX bulbs without driving IC on the market. This Bulb Same Size With W16W Standard Bulb, The bulb size may vary between the model or trim of your vehicle. Please check your vehicles owners manual or the original bulb to confirm the bulb size before placing an order.