The 100-240v Dimmer Switch Intelligent Light Switch Rotary Dimmer Switch Rotation Controller is a high-quality, brand new product designed to enhance your lighting experience. With its rotary operations, you can easily dim your lights to your desired brightness level. The switch also has a brightness memory function, so it will remember your preferred setting even after a power outage. It is compatible with various dimmable bulbs, including 200W LED and CFL, as well as 300W incandescent bulbs. Please ensure that you install this switch near the electric box where there is a Line Wire for optimal performance. This dimmer switch offers multiple control options. You can control it via the Smart Life APP, touch control, or voice control. Each control method works independently, allowing for convenient and versatile use. It is compatible with Alexa and Google Home, enabling hands-free voice control with adjustable dimming from 0% to 100%. Additionally, you can control the switch remotely using the Smart Life/Tuya app, giving you the flexibility to manage your lighting anytime and anywhere. Take full control of your connected appliances with the automatic timers, schedules, and countdown features available through the app. You can set timers for 1, 5, or 30 minutes, or even an hour, ensuring that your lights are turned on or off at the desired times. The switch also allows you to share control with family and friends, making it convenient for everyone. With the Alexa dimmer switch, you can easily adjust the lighting to fade on gradually, preventing any discomfort from sudden bright lights. Please note that a neutral wire is required in your switch boxes for the switch to operate correctly. 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: -10-45C - Working humidity: 90% - Button life: 50K times - Knob life: 50K circles - Dimension: 86*86*53.5mm Package Included: - 1*WiFi Smart Rotary Light Dimmer Switch - 1*Manual Please ensure that you have a neutral wire in your switch boxes for the switch to operate correctly. Key Features: Rotary operations for easy dimming Brightness memory function Compatible with various dimmable bulbs Multiple control options: Smart Life APP, touch control, and voice control Compatible with Alexa and Google Home Automatic timers, schedules, and countdown features Share control with family and friends Requires neutral wire in switch boxes for correct operation