Fully dimmable without performance loss; same bright white light as a halogen using pure xenon gas from Japan.Pack of 2 20 Watt Dimmable Frost T3 Candelabra E12 Krypton/Xenon Bulb, 2700K, 2PK Ideal for various home and commercial applications such as chandeliers, vanities, portable lamps, wall mounts, sconces, and outdoor fixtures..