US Patent number US-D815762-S. Unique Design. The only LED Backup Reverse Bulb on the market with real 360-degree shine. Backup easily with stronger illumination and light beam distance. Only for back up reverse lights. Two bulbs per order. 360-Degree Shine. Lighting Output：2000 raw lumens, 1000 lumens for each bulb . Voltage DC 9V-30V. Fits 912 921 906 904 902 W16W etc. Complete Error Free for most vehicles .NOTE: Error free capability may not be compatible to the newest European vehicle Color: 6000K White. .Size: 1.70" long and 0.50" in diameter.It is perfect for customers who are looking for a extremely bright output. Only for back up reverse lights. Two bulbs per order.