Hue White and Color Ambiance standard spotlight bulb, 5W (35W equivalent), GU10 spotlight socket, MR16 bulb shape, 2000-6500 Kelvin + 16 million nuances of color, 350 Lumen, up to 15 000 hours lifespan, rich colors, control with your smart devices by connecting to a Hue Bridge (included) or a Hue Dimmer Switch, voice control with Google Home, Alexa or Siri, starter kit, includes 3 spotlight bulbs + 1 Hue Bridge + 1 Hue Dimmer Switch remote.