One pair of premium 2723NA LED Light Bulbs. These premium Led bulbs replace a variety of other bulbs including 17 18 27 37 58 70 73 74 79 85 86 2721 T5 bulbs. These bulbs have 1 5050 LEDs that are mounted on a board to create a 120° viewing angle. These Energy efficient bulbs last 30,000 hours that's 25 times longer than your stock bulbs. These bulbs produce 20 Lumens of light making them some of the brightest led bulbs in the market.