This product is a pack of five low energy halogen bulbs, each equivalent to 100 watts but using only 70 watts of energy. They are designed with an E27 screw connector and are dimmable, making them versatile for various lighting needs. With a life span of 2000 hours, these classic shaped bulbs provide 1200 lumens of bright light while consuming less electricity than traditional incandescent bulbs. Ideal for energy saving and long-lasting illumination in residential or commercial settings.