Work With Alexa, Google Home, And Ifttt, Etekcity Esl100 Smart Light, 4 Pack. Voice Control: Use voice commands to control your smart light bulb with Alexa or Google Home (via VeSync skill); just tell Alexa how much light you want for your romantic dinner Control From Anywhere: Control your dimmable smart light bulb from anywhere you have Wi-Fi or an internet connection; with the VeSync app on your smartphone, you can turn house lights on/off from work, or make sure your room is illuminated even before you step inside Dimmable Brightness Favorite Setting: Create your favorite light effects by dimming the smart bulb from 1 percent to 100 percent; save the brightness settings you like for different scenes such as movie night, reading, resting, and more, have all your favorites available at a tap Schedule Timer: Set up schedules to turn your smart light bulb on/off according to the preset time, you can program your light to turn on/off according to local sunrise and sunset times; have light fill your living room when sunlight starts to fade or make sure your bedroom light turns on right at dawn Note: This smart bulb requires a secured 2. 4 GHz Wi-Fi network connection; UL listed and FCC certified; estimated lifespan: 15, 000 hrs; our friendly and professional support team are at your service 24/7