Y31A Smart Wifi Fan Switch 5 Speed Control EU Ceiling Fan Rotary/Knob Switches Tuya Remote for Alexa Home(Black) [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._x000D_ [Hands-free Voice Control] Smart ceiling fans works perfectly with Alexa and Home._x000D_ [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:_x000D_ "Power-on State" ON: Automatically turn on the fan after power failure recovery, and the default 3-speed wind speed._x000D_ "Power-on State" OFF: Needs to be restarted manually after power failure recovery._x000D_ App Control: On /Off / Speed Control/Timer_x000D_ Scheduled / Timer / Shares_x000D_ Works with Alexa_x000D_ Works with Home_x000D_ Notice:_x000D_ 1. The smart fan switch is not compatible with fans with built-in remote control system._x000D_ 2, The maximum load is 2A (provide 5 speed levels)._x000D_ 3, Only use wireless network below 2.4GHz (not 5GHz)._x000D_ 4. There must be a neutral line._x000D_ Specification:_x000D_ Model Number: Smart Wif Fan Switch_x000D_ Mechanical Life: 10000_x000D_ Product Name: Smart Rotary Ceiling Fan Switch_x000D_ Max. Power: 250W_x000D_ Size: EU 86x86x45mm_x000D_ Working temperature: -10~45_x000D_ Wireless standard: IEEE 802.11 b/g,WiFi 2.4G_x000D_ Wire type: Live + Neutral_x000D_ App name: Tuya_x000D_ Color: Black_x000D_ Material: Plastic Package Contents:_x000D_ 1*Smart Wifi Fan Switch Only the above package content, other products are not included._x000D_ 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 +/- 1-3cm. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_