Tuya ZigBee Mesh Curtain Switch - You can add up to 256pcs Sub ZigBee devices in Tuya ZigBee Mesh Network.- Please make sure you already have a Tuya ZigBee Hub, it's a must for all the Tuya/Smart Life ZigBee devices. Sunrise/Sunset Automation You can set the sunrise/sunset automation in the smart life app. Hands-free Voice Control Smart Blind Switch Voice Control with Alexa, Google Home to turn on and turn off the curtains. Set a percentage to open or close and Remote Control Anywhere - Remote Control your curtain with your mobile 2G, 3G, or 4G network. - Check your shutter status anywhere. Set Schedule for when to open and when to close Set Timer when to open , when to close, it will work automatically. No light always ON No light always ON, so it's good for sleep. You also can choose the light mode 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. Compatibility and Installation Please note at least 3 wires must be required for your motor, Live Wire 1, Live Wire 2 (for OPEN and CLOSE), and Neutral wire , otherwise it can't be connected to the motor , The switch can be compatible with any electric shutter motor with 100-250 VAC voltage input, 600W Max. but the neutral wire must be required for installation. Specification Input Voltage: 100-250VAC, 50/60HzWiring: Neutral Wire, L1, L2, Earth WireMax Load: 600 WWireless Protocol: Tuya ZigBee, just works with Tuya ZigBee Hub, can't work with other brands's Hub.Standby Consumption: below 0.5WDimensions: 86mm*86mm*35mmAPP Name: Smart Life or TuyaColour: Black