Hands-free Voice Control Smart Blind Switch - Compatible with Alexa, Google Home- With voice control to turn on and turn off the curtains. Smart Life Tuya App Control - Mobile App Remote Control- App Timing- Support Both IOS and Android Physical Wall Switch Control - This doube switch is a push button switch with 6 keys on the panel, you can control it on the switch panel directly. More Possibilities on App Control - Timing Control- Check the curtain status in the App Group Function and Device Sharing with App You can create group in the APP to manage all the blinds in your house and share the device to all your family members. Switch Dimensions - EU 502 Size- Dimensions: 86mm*86mm*35mm- Patent Design Specification Input voltage: 100-250 VAC, 50 / 60HzWiring: Neutral Wire, L1, L2, Earth WireMax Load: below 300 W / gangApp Name: Smart Life or Tuya AppWireless Protocol: Wi-Fi 2.4 GHz 802.11 b / g / n (Not support 5Ghz Wi-Fi)Switch Channels: Double Control Curtain SwitchStandby Consumption: below 0.5WDimensions: 86mm*86mm*35mmButton Type: Push ButtonPlastic Material: Fireproof ABSProduced by ISO9001 Factory: YesPatent Design: Yes We have all the accessories you need in the box, you don't need to pay extra cost. What's in the box? 1 * Double Curtain Switch(Depends on your choice)1 * Terminal for Neutral Wiring1 * Blue Cable for Neutral Wiring2 * Screw Kits1 * User Guide