[Capabilities Requirement] The smart ceiling fan switch does not compatible with fans having a builtin remote control system. The maximum load is 2A (provide 5 fan speed). Only uses under 2.4GHz WiFi (not 5GHz). Only used as a singlepole ceiling fan wall switch (NOT 3way). The neutral wire is required.[Handsfree Voice Control] Smart ceiling fans works perfectly with Alexa and Home.[Remote Control & Schedule] You can turn on the ceiling fan through APP. Create or countdown schedules to set your smart ceiling fan control to automatically turn on and off at specific times.[Poweron State Setting] You can change freely the poweron status via APP:"Poweron State" ON: Automatically turn on the fan after power failure recovery, and the default 3speed wind speed."Poweron State" OFF: Needs to be restarted manually after power failure recovery.App Control: On /Off / Speed Control/Scheduled / / SharesWorks with AlexaWorks with HomeNotice:1. The smart fan switch is not compatible with fans with builtin remote control system.2, The maximum load is 2A (provide 5 speed levels).3, Only use wireless network below 2.4GHz (not 5GHz).4. There must be a neutral line.Specification:Model Number: Smart Wif Fan SwitchMechanical Life: 10000Product Name: Smart Rotary Ceiling Fan SwitchMax. Power: 250WSize: EU 86x86x45mmWorking temperature: 10~45Wireless standard: IEEE 802.11 b/g,WiFi 2.4GWire type: Live NeutralApp name: TuyaColor: WhiteMaterial: PlasticPackage Contents:1*Smart Wifi Fan SwitchOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/ 13cm.