ZigBee 3.0 ProtocolZBMINI Zigbee Smart Switch must work with ZigBee Hub (required). Compatible with ZBBridge, Amazon Hub, Samsung SmartThings Hub and Philips Hue Bridge. ZigBee 3.0 protocol with AES-128 encryption keeps device data safe.Hands-free Voice Control - Perfectly compatible with Alexa and Google Home, which helps to turn on or off household appliances via your voice.Two-way ControlIn addition to APP control, the Zigbee Mini Switch can also connect a pair of 2-way toggle switches to turn on/off the bottom floor light.WORKS AS A SIGNAL TRANSFER STATION - If it is often offline due to a long distance between your device and your router? ZBMINI can be a ZigBee router to transmit the signal between devices.Mini Body, Huge PowerNo matter what kind of junction box you use, the switch can be installed to turn on your wall switch.