SiriusLED Extremely Bright 35W 2835 Chipset 21 SMD LED Bulbs with Projector for Car Fog Lights Daytime Running DRL Turn Signal Brake Tail Lights 7440 7441 Pure White -This set of lights come with 2 bulbs made with bright 2835 SMD LED chips -Lights produce 1200 total lumens of pure white light output with projection -Available in sizes 1156,1157,7440,7443 and 3157 made for many applications including: tail lights, reverse lights, turn signal lights, daytime running lights and brake lights (dual brightness functionality) -Upgraded aluminum circuit board makes for better heat dissipation and light stability compared to fiberglass -An important feature of these LED bulbs is the versatility to be installed on standard sockets only (not polarity sensitive CK sockets).