Specification: Base:  E27.  Voltage:  AC110-240V 50/60Hz.  Power consumption: 12W.  Speaker: 3W 4Ω.  Lumen: 800LM(natural white), 450LM(pure white, warm white).  Light color: RGB + pure white + warm white.  Color temperature: pure white(6000K), natural white(4000K), warm white(3000K) .  CRI: >80.  APP name: ihomma.  Material: aluminum + plastic.  Dimension: 78*148mm.     Feature: Works with Alexa, but not Google Home.  Support version: Our app support the version for IOS 9.0(or higher) Android 4.0(or higher) bluetooth 4.0(or higher).  Control more bulbs: No matter 1 or 10 bulbs, once they stay in the same wifi network, you can control all of them with app.  Timing on or off: Set the light bulb power on or off with the app, no need to get out of your seat.  Lighting alarm: Tired of the noise of the alarm, you can use the lighting of an alarm in stead of the sound, we simulate the sunrise of natural light, wake you up with a soft light every morning.     How to default your light bulb 1, Turn on and off the light in five seconds.   2, Repeat step 1 for six times.  At the sixth time, the RED light will brighten up gradually.  The Light defaults successfully and is ready for configuration.     Package included: 1 * E27 LED light bulb