(set of 2 bulbs)Buy with confidence, We offer "ONE YEAR" warranty on item(s) that confirm to be manufacturer defect.
Flashing Strobe Blinking brake LED light bulbs will strobe at the beginning braking mode for much easier notified and safer stop & then turn stable solid brake light (Legal blinking times) to avoid any automotive cars, trucks, SUV s, RVs rear-end collision.
The difference between running/tail (stage 1) and brake/signal (stage 2) light is great(the high intensity is about triple brighter than the low intensity)
Lighting Output：2520 raw lumens, 1260 lumens for each bulb. Fits: 3157 3047 3057 3357 3457 3757 4057 4111 4157 etc.
Perfect for customers who are looking for a Extremely bright output