Graffiti Curtain Switch On Off Module 1. Caution: - Zigbee version needs to be used with Tuya Zigbee gateway - WiFi+RF version does not include remote control 2. Power supply: 100-240V AC 5060Hz 3. Protocol: WIFI IEEE 802.11bgn 4. App: Smart Life, TuyaSmart 5. Operating frequency: 2.412GHz - 2.484GHz 6. Operating temperature: -10 - 40 degrees Celsius 7. Max Load: 3A 8. Voice control: for Amazon Alexa, Google Home Assistant, Alice 9. IP rating: IP20 10. Housing material: ABS, PC 11. Size: about 39.2 x 18mm Function: 1. App remote control: you can control the switch anytime and anywhere according to your requirements. Whether you are on vacationbusiness trip or at home, you can enjoy a convenient smart life through the Smart Life app or the Tuya app 2. Voice control: after connecting the switch to the app, you can voice control the switch via Alexa or Google Assistant 3. Timing schedule sharing function: you can set the timing schedule of the switch module according to your personal needs. No need to repeat the switch or manual control on the app to enjoy a convenient and smart life 4. Sharing function: you can easily set up groups and share the device with your family or friends so that they can control the device with you 5. Multi-protocol matching and switching module: supports multi-protocol matching, which makes pairing with smart life app via Bluetooth more convenient and faster