Geeni PRISMA PLUS 800 smart dimmable multicolor LED light bulbs make lighting control easier than ever. With brighter color variations and tunable warm white, daylight, and cool white color variations, you can set the perfect mood or ambiance for any space. Group lights for easy control or set schedules to match your daily routine, with the Geeni app you can do it all. No hub required; this smart light bulb home kit integrates into any smart home by simply changing a bulb.