1. Support Third- Voice Control: For Alexa, Voice Smart Audio Control. 2. Timing Settings: APP Sets Timing Control, Remote Settings Open And Close 3. Backlight Control: APP Settings Can Turn On Or Off The Background Light. 4. Network Distribution Mode: It Automatically Enters Distribution Mode After Powering On/long Press The Touch Button For 5 Seconds, The Blue Light Flashes, And It Enters Distribution Mode. 5. Five-speed Fan Gear Adjustment, Digital Display. Function: Anti-surge Application Scope: Indoor Special Function: Timing Function Wiring Method: Zero Live Wire Rated Frequency: 50-60Hz Installation Hole Distance: 83.5mm Protection Level: IP20 Wifi Type: 2.4Ghz Standard Type: Wire Core Material: Brass Switch Type: Touch Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:White Material:Plastic Package Contents: 1 * Fan Light Switch Only 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 +/- 1-3cm.