Fangrui Product Details Dimmable Bulb Only: This Smart Dimmer Switch Only Supprt Dimmable Led And Inc.please Confirm Your Bulbs Specification Before Placing Order. App Remote Control: Remote Control Lightings Of Your House Via Smart Life App From Anywhere At Anytime. No Hub Required. Voice Control: The Wifi Dimmer Switch Works With For Alexa And For Google Home Assistant To Conveniently Control The Light With Simple Voice Command When You Are On Go. Timing Function: Create Schedules To Automatically Turn The Light On With The Preset Brightness Or Off At Specific Times. To Create Different Mood Lights With Specified Brightness For Your Daily Activities, Bedtime Or Tv Time, Sunrise Or Sunset, Etc. Stepless Dimming: Adjust The Light To A Certain Percentage By Your Switch, Smart Life App Or Voice Command; Get The Right Light Intensity While Watching Movies, Reading, Wearing Makeup, Etc. The Switch Remembers And Turns Back On To The Last Light Setting When Powered Off. Group Control: You Could Set Up A Group For Multiple Di