【Mini and Smart Design】The Smart Wall Switch Kit is compatible with Alexa ZigBee Hub and can repeat ZigBee signals for expanded smart home control capabilities. Suitable for EU/UK wall switch boxes, easily concealed within the traditional switch wall box. It enables convenient hands-free voice control, timer and wireless remote control. 【2 Way Switch】 Used as a 2-way circuit switch (one switch control two lights). Simply connect it to your two traditional switches, then you can convert your connected device into a smart one (for 2 way circuit). Note: This module is only suitable for reset switches. 【Require ZigBee Hub】A MOES ZigBee Hub acts as a homebridge for all ZigBee devices. Easily get control via connected devices as long as there is a stable ZigBee signal; allows for more devices connected via ZigBee than WiFi protocol. 【Time and Sharing】Take full control of connected appliances with timers, schedules, and the countdown (1/5/30 mins, 1 hour, etc.) with Smart Life App or Tuya Smart App; share control with family and friends for added convenience. 【Easy DIY 】Simply hide it into a wire box with its mini design and wire it to your traditional RESET switch for normal use; add the device to the Tuya ZigBee hub to start intelligent controls in Smart Life App.