Note before Order! - Our smart device can just work with 4 wire claic AC motor, please check it before you place order.- The neutral wire for the Motor is required to install the switch, otherwise, it can't work NEW Function - percentage control You can check the shutter status even you are not at home. Hands Free to Make Life Convenient Voice Control with Google Home, Alexa App Control - Free App Name: Smart Life, Tuya- Timing Function, APP remote control- Programming your smart curtain switch on App 'smart life / Tuya', then your curtain, blind, roller shutter can be remote controlled by phone and you can set timing schedule for it, like open at 7:00am, close at 7:00pm, then your curtain blind can open or close automatically when time is up.- You can control your smart curtains by mobile phone anytime, anywhere as long as it's with network. Backlight Function You can turn the backlight on or off manually, or set the time to turn it on and off through the APP to avoid disturbing sleep. Group Control and Share Device to Family Member You can set group control for all to open and close at the same time by APP, or share device from APP to other family member. Physical Touch Panel Control You also can use the touch panel control if you don't want to use the smart phone. Specification Input voltage: 100-250 VAC, 50 / 60HzWiring: Neutral Wire, Live Wire, L1, L2,Max Load: below 600 WApp Name: Smart Life or Tuya AppWirele Protocol: Wi-Fi 2.4 GHz 802.11 b / g / n (Not support 5Ghz Wi-Fi)Standby Consumption: below 0.5WDimensions: 86mm*86mm*35mmButton Type: Touch Panel ButtonPlastic Material: Fireproof ABSProduced by ISO9001 Factory: YesPatent Design: Ye We have all the acceories you need in the box, you don't need to pay extra cost. What's in the Box? 1 x WiFi Curtain Switch1 x Terminal as a gift for Wiring1 x Blue Wire for better Wiring1 x English User Guide This is a WiFi Only Product. It can't work with any RF remote in our store. If you need buy roller shutter module with 3-button RF remote, please contact the seller. FAQ 1. What's the APP Name? Tuya APP, or Smart Life APP 2. Support iOS or Android? Support Both iOS and Android 3. Quality Control We are ISO9001 certified manufacturer, and we test 100% before