Fangrui Product Details [capabilities Requirement] The Smart Ceiling Fan Switch Does Not Compatible With Fans Having A Built-in Remote Control System. The Maximum Load Is 2a (provide 5 Fan Speed). Only Uses Under 2.4ghz Wifi (not 5ghz). Only Used As A Single-pole Ceiling Fan Wall Switch (not 3-way). The Neutral Wire Is Required. [hands-free Voice Control] Smart Ceiling Fans Works Perfectly With Alexa And Google Home. [remote Control Schedule] You Can Turn On The Ceiling Fan Through App. Create Timer Or Countdown Schedules To Set Your Smart Ceiling Fan Control To Automatically Turn On And Off At Specific Times. [power-on State Setting] You Can Change Freely The Power-on Status Via App: Power-on State On: Automatically Turn On The Fan After Power Failure Recovery, And The Default 3-speed Wind Speed. Power-on State Off: Needs To Be Restarted Manually After Power Failure Recovery. App Control: On /off / Speed Control/timer Scheduled / Timer / Shares Works With Amazon Alexa Works With Google Home Notice: 1. The Smart Fan Switch Is Suitable For Everyday Use