Bulbrite 860423 15W Dimmable A21 Shape Twist & Lock Bi-Pin CFL Bulb (GU24) Base, 2700K, 4 PackWhether your day runs like clockwork or life is anything but routine, Bulbrite Solana is the perfect backdrop for lifes everyday moments. Our new Smart LED Bulbs set the scene for every moment of your day with customizable scheduling and settings, all through a simple app. No electricians or tools necessary. Set up is as easy as screwing in a light bulb no hub required! Simple. Smart.