One pair of 51 premium LED Light Bulbs. These premium Led bulbs replace a variety of other bulbs including BA9 BA9S 53 57 1895 64111 bulbs. These bulbs have 5 5050 LEDs that are mounted radially to create a 360° viewing angle. These Energy efficient bulbs last 30,000 hours that's 25 times longer than your stock bulbs. These bulbs produce 100 Lumens of light making them some of the brightest led bulbs in the market.