ZigBee Hub is Required - Tuya ZigBee 3.0 curtain switches and ZigBee Remote need work with Tuya ZigBee Hub, please make sure you already have a Tuya ZigBee Hub, if not, please buy the Tuya ZigBee Hub in this listing.- This ZigBee curtain switch can't work with other brands' ZigBee Hub, please make sure your ZigBee Hub is from Tuya. Features - Voice Control: Compatible with Amazon Alexa, Google Home, and Yandex Alice.- App Remote Control: Support Smart Life APP /Tuya APP.- ZigBee Remote Control: Use a ZigBee Remote to control the curtain blinds.- Running Time Setting: The running time can be set from 1-120 seconds, suitable for the use of large blinds.- Tuya ZigBee Mesh: It has a stable network performance with zigbee 3.0 mesh technology.- Timer and Schedule: You can set a timer to open or close the curtains at a specified time. Product Parameters Input voltage: 100-250VAC, 50/60HzWiring: Neutral Wire, L1, L2, Earth WireMax Load: 600WWireless Protocol: Tuya ZigBee 3.0Standby Consumption: below 0.5WColour: WhiteCompatible with: Tubular Motor with 4 wires App Remote Control - Support Smart Life APP /Tuya APP.- You can use Tuya or Smart Life APP to remotely control the opening and closing of curtains. Voice Control - Compatible with Amazon Alexa, Google Home.- Open and close curtains by voice control. ZigBee Remote Control - Use a ZigBee Remote to control the curtain blinds.(Open, Pause, Close)* The zigbee remote control needs to work with the tuya zigbee gateway.* zigbee remote control requires corresponding functions to be set in the app. Tuya ZigBee Mesh - It has a stable network performance with zigbee 3.0 mesh technology.- Please make sure you already have a Tuya ZigBee Hub, it's a must for all the Tuya/Smart Life ZigBee devices. Running Time Setting The running time can be set from 1-120 seconds, suitable for the use of large blinds. Timer Function - You can set a timer to open or close the curtains at a specified time. Size and Wiring - 80mm*80mm EU standard size Switch- Suitable for the junction box in most of the countries.