Features:  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; includes full 2-year warranty and 60-day refund guarantee for complete satisfaction.     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;  Plug: EU plug;     Package included:  1 x Touch Light Dimmer Switch