The Day + Dusk Smart Bulb is the only smart bulb that measures up to Schoolhouse standards for light quality, ease of use, and efficiency. Driven by LED technology, the bulb is compatible with standard light fixture sockets and provides efficient, long-lasting illumination. Change the color temperature, brightness, and even set the bulb to turn on or off on a timer from anywhere in the home or away. No hub is required and the bulb is fully programmable through its smartphone app and most in-home digital assistants.