Main Features - Free APP Name: Smart Life, Tuya- Timing Function, APP remote controlProgram 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. - Hands-free Voice Control Smart Blind Switch Compatible with Alexa, Google Home and IFTTT. With voice control to turn on and turn off the curtains. - No Led Light on the Switch unless you touch on it or when it loses connect with App, no bother sleeping. - Group Function and Device Sharing You can create group in the APP to manage all the blinds in your house and share the device to all your family members. Installation Method User Manual with 8 pages detailed instruction for how to connect curtain switch, how to connect App.4 languages available, Spanish, French, Germany, and English. Please contact us if you have any special demand for the user guide. How to mount the switch on wall? Specification Input voltage: 100-250VAC, 50 / 60HzWiring: Neutral Wire L1 L2 Earth WireMax Load: below 600 WWi-Fi Standard: 2.4 GHz 802.11 b / g / n (Not support 5Ghz)Standby Consumption: below 0.5WDimensions: 86mm x 86mm x 35mm What's in the Box? 1 * Smart Curtain Switch1 * English or French or Germany or Spanish User Guide1 * terminal connect as a gift to wire the neutral lines1 * blue wire to install on curtain switch2 * Screws This is a WiFi Only Product. It can't work with any RF remote in our store. Please dont buy any extra RF remote in our store to work with this WiFi only curtain switch.