OSRAM LED Bulb E27 dimmable LIGHTIFY CLASSIC A RGBW/10W LED Light 60 Watt Equivalent Warm White to Daylight (1,900K&hellip;6,500K) LED Incandescent Bulb compatible with SmartThings, Wink, Nest, and Amazon Echo (requires SmartThings or Wink HUB) LED Bulb RGB (Mixing Red, Green, Blue) and Tunable White Tunable between Soft White and Daylight White (1900-6500 Kelvin) - Dimmable at each color temperature and color Smart Lighting Controlled By Smartphone or Tablet. Requires ZigBee Certified Gateway, like OSRAM LIGHTIFY Gateway (Sold Separately) Energy saving LED Light Bulb. Replacement for incandescent 60w light bulb. Long 20,000 hour life rating Contains: Light changing LED Bulb 10 Watt / E26 base / A19 / integrated wireless smart lighting / Frosted outer bulb / Free LIGHTIFY App runs on Apple iOS7 or above / Android 4.1 or above