App Remote Control: Remote control lightings of your house via Smart Life app from anywhere at anytime. No hub required. 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. Voice Control: The wifi dimmer switch works with for and for Home Assistant to conveniently control the light with simple voice when you are on go. Dimmable Bulb Only: This smart dimmer switch only supprt dimmable LED AND INC.Please confirm your bulb's specification before placing order. 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.