and ! Every ZigBee device with heavy current can act as a communication relay for another heavy current ZigBee device like socket,switch,thermostat and so on with the range of 20 -30m,performing as a ZigBee Mesh(ZIGMESH) for highly stable signal network.(Note:This feature is not for light current ZigBee device and also not ZIGMESH functions featured. ZigBee2MQTT setup available for this zigbee device. 1.This smart Tuya ZigBee 3.0 module is designed with ZigBee 3.0 protocol specially, compatible with Tuya ZigBee hub(also Smartthings supported) 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 it into your wall switch box of your traditional switch without any influences on your 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 switch and this smart module can work independently without interference. (Note:dimmer modules are only suitable for reset switch.other modules are suitable for rocker and reset switch ) 2.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);2.Newly designed with RF frequency for RF remote control in another non-interfering mode. 3.Allows for hands-free voice and wireless remote control;support Alexa Google Home Yandex voice control and Smart Life and Tuya App control on smart phones with special Tuya ZigBee 3.0 hub required and connected.;0%-100% dimmable for the dimmer switch module;Relay status adjustable when power off. 4.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;Smartthings supported for this ZigBee switch module specially. 5.New added reset button on the switch module for simpler reset method than before;Take full control of connected appliances with timers, schedules and countdown (1/5/30 mins, 1 hour, etc.) with Smart Life and Tuya App; share control with family and friends for added convenience Package Included: 1 * Smart Light Switch Relay Module 1 * instruction manual Notes: Warnings 1. This is a Zigbee smart module switch that must be used under Zigbee gateway hub connected with Zigebee protocol. 2. Installation must be carried out by a qualified electrician in accordance with local regulations. 3. Keep the device out of the reach of children and away from water, damp or hot environment. 4. Install the device away from strong signal souroes such as microwave owen that may cause signal interruption resulted in abnormal operation of the devica. 5. Obstruction by concrete wa