Get simple, smart illumination from this geeni Prisma 450 light bulb. The A19-size bulb easily replaces standard bulbs, creating 450 lumens, or the equivalent of 45W, of brilliant illumination. Built-in Wi-Fi in the bulb eliminates the need for a hub, letting you change colors and control illumination levels on this geeni Prisma 450 light bulb right from your phone.