Description: 100% Brand New and High Quality 1.New designed with touch dimming operations to dim your light with adjustable supported;Brightness memory function when power off to smart your life in another concept;Compatible with various dimmable bulbs as 200W LED,CFL, 300W INC.Please install this switch near the electric box where there is Line Wire. 2.Non-interference control mode; allows the switch to be controlled via Smart Life APP, touch control and voice control; each control method works independently; achieve multi-control by associating to other smart switches 3.Compatible with Alexa and Google Home for hands-free voice control with 0%-100% dimmable; can also be controlled via Smart Life/Tuya app anytime, anywhere. 4.Take full control of connected appliances with automatic timers, schedules and countdown (1/5/30 mins, 1 hour, etc.) with the app; share control with family and friends for added convenience;Tailor your lighting to fade on with a click of the Alexa dimmer switch for keeping your eyes from strong light. 5.Neutral wire is required in your switch boxes to operate correctly; only supports 2.4 GHz network Specifications: Input power:100-240V 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 Control channel:1 CH Standby power:0.5W Working temperature:-10-45 Working humidity:90% Button life:500K times Dimension:86*86*43mm Package Included: 1*WiFi Smart Touch Light Dimmer Switch 1*Manual Notes: Neutral wire is required in your switch boxes to operate correctly; only supports 2.4 GHz network