SONOFF Zigbee 3.0 Smart Relay Switch, Mini in-Wall Light Switch Module, Compatible with Alexa Google Home SmartThings, ZBMINIR2 4-Pack (Zigbee Hub & Neutral Wire Required)

【Super Tiny Size】The tiniest Zigbee smart switch can be easily fit in the smallest EU-type/86 type/120 type mounting box.
【Support External Switch】 Work with different type of external switches to control your devices, like rocker light switch, push button wall switch.etc, no neutral wire required for easy installation & simple use.
【Simple and Reliable】As a Zigbee 3.0 switch, ZBMINI Extreme can combine with Zigbee hubs to form a home LAN,No longer worry about no internet, you are able to freely control the appliances normally even the light is as low as 3W, no anti-flicker module is required.