Main Features: Dimmable Bulb Only, This smart dimmer switch only supprt dimmable LED AND INC. App Remote Control: Remote control lightings of your house via Smart Life app from anywhere at anytime. Voice Control: The wifi dimmer switch works with Alexa and 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 one-tap. A Tuya ZigBee hub is a must to the ZigBee smart switch for app remote control and voice control. Also, you can link other Tuya ZigBee products with the hub to realize a complete smart for your house. SPECIFICATION: Material: PC/ Rating: V0 Rated Voltage: 100~240V 50/60Hz Rated Current: 10A Max. Power-1 Gang: LED/INC 150W Max. Power-2 Gang: LED/INC 100W/Gang Size: 39.2 x 39.2 x 18mm Physical Two-way Control: Support ZigBee Standard: IEEE 802.15.4 WiFi Standard: IEEE 802.11 b/g 2.4Ghz Only Operation Humidity: 90% Operation Temperature: -10~40 App: TuyaSmart/Smart Life Voice Control: Compatible with Alexa Home Yandex Hub Requirement: Tuya ZigBee hub required Style: 2 Gang Color: As Shown Material: plastic Package Contents: 3 x Smart Dimmer 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.