Dimmable Bulb Only: This smart dimmer switch only supprt dimmable LED AND INC.Please confirm your bulb's 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 when you are on go.Timing Function: Create schedules to automatically turn the light on with the preset brightness or off at specific times. Perfect 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 ; get the right light intensity while watching , 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 dimmer switches in the app, then you will be available to turn on/off the lights by onetap. Rating:V0Rated Voltage:100240V 50/60HzRated Current:10APhysical Twoway Control:SupportWiFi Standard:IEEE 802.11 b/g 2.4Ghz OnlyOperation Humidity:less than equal 90%Operation Temperature:1040App:TuyaSmart/Smart LifeVoice Control:Compatible with for Alexa Google HomeMax. Power:2 Gang:LED/INC 100W/GangColour:WhiteMaterial:ABSSize:39.2x39.2x18mmPackage Contents:1 * Wifi Smart Dimmer 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.