Features:  1.This smart Tuya 3.0 dimmer module is designed with 3.0 protocol specially, compatible with Tuya ZB hub to realize the whole linkage of your house,a really good substitution for unstable Wi-Fi. 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 switch without any influences on your original decoration style to make it smart,giving your devices 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:This module is only suitable for reset switch.)  2.1/2 Way Dimmable: Adjust the brightness via Your Voice or Smart Life App freely.It can not only be used as a 1 way circuit switch,but also 2 way supported(two switches control one light).Simply connect it to one of your two traditional switches,then you are able to convert your connected device into a smart one(for 2 way circuit).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 3.0 hub required and connected.   3.Considering the status of unstable network or no network,3.0 switch module is really an irreplaceable must to combine with ZB 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 ZB signal;Allows for more devices connected via ZB than WiFi protocol.  4.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.  5.Easy DIY Installation:Simply hide it into wire box with its mini design and wire it to your traditional reset switch for normal use;Add the device to hub to start intelligent controls in Smart Life App.    Package included:  1 x Mini DIY 3.0 Smart Dimmer Switch Module,  1 x manual