Wifi Smart Dimmer Switch, Touch/rotary Control, Smart Life/tuya App, Alexa &. WiFi Smart Rotary/Touch Light Dimmer Switch Elevate Your Home Lighting Experience with the New WiFi Smart Rotary/Touch Light Dimmer Switch. Designed for Convenience and Style, It Supports a Wide Range of Dimmable Bulbs, Including 200W LED, CFL, and 300W Incandescent. Effortlessly Adjust Brightness with the Rotary Function and Enjoy the Benefits of Brightness Memory, Ensuring Your Preferred Settings Are Retained Even After Power Interruptions. Experience Seamless Control Through Multiple Methods—touch, App, or Voice—without Interference. Compatible with Alexa and Google Home, Enjoy Hands-free Voice Control from 0% to 100% Dimmability. The Smart Life/Tuya App Offers Remote Control, Scheduling, and Countdown Timers, Allowing You to Tailor Lighting Settings to Fit Your Lifestyle. Share Access with Family and Friends for Added Convenience. Installation Requires a Neutral Wire and a 2.4 GHz WiFi Network. With a Full 2-year Warranty and a 60-day Refund Guarantee, This Dimmer Switch Offers Peace of Mind Along with Enhanced Home Automation. Key Features: - Rotary Dimming with Brightness Memory - Compatible with a Range of Dimmable Bulbs (200W LED, CFL, 300W Incandescent) - Non-interference Control Via Touch, Smart Life/Tuya App, and Voice (Alexa, Google Home) - Full App Control with Timers, Schedules, and Sharing Options - Requires Neutral Wire; Supports 2.4 GHz Network - Dimensions: 86 X 86 X 53.5 Mm - Warranty: 2 Years, with a 60-day Refund Guarantee - Input Power: 220V AC 50-60Hz - Dimming Control: TRIAC Edge Cut - Inductive Load (LED/CFL): 220W Max - Resistive Load (Incandescent): 300W Max - Communication: WiFi 802.11 B/g/n 2.4GHz - Operating Temperature: -10℃ to 45℃ - Operating Humidity: <90%.