Description: 1:Considering the status of unstable network or no network,ZigBee 3.0 switch module is really an irreplaceable must to combine with ZigBee gateway to form a home LAN,NO MORE WORRY about no and weak network,easily get control via connected devices as long as there is stable ZigBee signal;Allows for more devices connected via ZigBee than WiFi protocol. 2.This smart Tuya ZigBee 3.0 module is designed with ZigBee 3.0 protocol specially, compatible with Tuya ZigBee hub to realize the whole linkage of your house,a really good substitution for unstable Wi-Fi. ZigBee 3.0 protocol with mini design suits for EU/UK wall switch box ,and easily hide it into your hidden wall switch box of your traditional dimmer switch without any influences on your original decoration style to make it smart,giving your devices ultimate power on/off smart makeover and convert most any compatible products to smart ones;traditional Dimmer switch and this smart module can work independently without interference. (Note:This module is only suitable for Reset switch) 3.Can be used as a 1-way or 2-way circuit (2 switches control 1 light); simply connect to 1 of the 2 switches and convert the connected device into a smart one (for 2-way circuit) 4.Allows for hands-free voice and wireless remote control;support Amazon Alexa Google Home voice control and Smart Life and Tuya App control on smart phones with special Tuya ZigBee 3.0 hub required and connected.