【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. 【Require ZigBee Hub】Smart module specifically for ZigBee protocol, allowing complete linkage of your smart home network; traditional switch and smart module can work independently without interference. A MOES ZigBee hub acts as the homebridge for all ZigBee devices. 【2 Way Switch】 Each gang works as a 1-way or 2-way circuit (2 switches control 1 light). You can wire 4 switches. Every 2 switches control 1 light. 【Voice Control】Smart Life and Tuya App control on smartphones. Supports Amazon Alexa and Google Home for hands-free voice control, and wireless remote control. 【Convenient Settings】Easily connect and control devices as long as there is a ZigBee signal. Take full control of connected appliances with timers, schedules, and the countdown (1/5/30 mins, 1 hour, etc.) with Smart Life and Tuya App; share control with family and friends for added convenience; includes a full 2-year warranty.