Tjoy Alexa Smart Light Bulbs, Wifi Led Light Bulb Works With, 6 Packs... ?Alexa Smart Light Bulbs?By connecting smart bulbs with Alexa or google assistant, you can simply use voice to control the bulb in many aspects such as turn on-off/ color changing/ dimmable/ group control etc. ?Tuya Smart APP??Tuya Smart? App allows you to change color and brightness via phone. It will change the bulbs scenes follow the music you played. Also, ?Tuya Smart? App has timer and scheduler mode. And when you are not home, ?Tuya Smart? APP allows you to control the bulb without distance limit. ?Color Changing and Dimmable?Using TJOY color changing bulb to choose your favorite light color over 16 million color options. You can also choose the brightness of led bulbs from 1% to 100% (candlelight to daylight/2700K to 6500K) to your most comfortable luminosity. ?Easy to Install and Energy Saving?To install the smart bulb, simply screw the bulbs into any standard E26/E27 light socket. After you turn on the bulb, Tuya APP will automatically search for disconnect device (No Hub required). Our 9W LED Bulb (60 Watt equivalent) requires less energy which means TJOY Smart Bulbs have 15,000 hours lifespan. ?100% Satisfaction Service and Warranty?Our professional and warm service team are ready to provide 100% Satisfaction Service with 24 hours quick response. TJOY provide 1 year standard warranty for the products.