0% - 100% Dimmable Range- Adjust the desired brightness via application on the phone. Or manually via the LED touch panel. Brightness memory function is available for the last light setting when smart light switch powered off. Smart dimmer switch supports dimmable LED/CFL bulbs(up to 150W) or ncandescent bulbs (up to 400W),and 100W ceiling fans. Smart bulb can't be dimmed by the smart dimmer switch.

Voice Control - The smart switch works with Alexa and Google Home to free your hands; Enable the Gosund skill in the Alexa/Google Home application to pair. No Hub or subscription required for Wi-Fi Dimmer Light Switch.

Timer Schedule&Remote Control - Set schedules to turn on/off electrical appliances when you are home or away. Remote control your smart switch from anywhere via Gosund App; You can also share the App with your family members to control device. And you can create Group control your Gosund dimmable smart light switches; create scenes for when you get up, go to sleep and so on.

Warranty-Flammability UL94-V0 cetificated, The surge protection prevent lightning. Gosund smart switch is backed by 90 day unconditional full refund guarantee and 12-Month limited warranty. If you encounter any problem or need further support, please feel free to contact us through E-mail or Amazon directly. For our contact info, you can see on the comments below. We offer free replacement service anytime if the smart switch is defective, please contact us whenever you encounter product issue.

NOTE: 2.4G WiFi only for the application connection (NOT 5G); single-pole use only (NOT 3-way). Neutral Wire is required; standard size fits any standard multi-gang wall plate. Step-by-step instructions and different color label will guide you through the wiring process.