Product Overview The 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) stands out with its reliable character and practical use, ideal for household use. Designed with Plastic, measuring 1.56 x 1.3 x 0.66 inches. Notable features include super tiny and tiny size, contributing to its practical character.Key Features 【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. 【Application Scenes】ZBMINI Extreme can achieve two-way control for your staircase light; set countdown/scheduled/loop timers to create your situational life; work well with Amazon Alexa and Google home to turn on/off your light by voice command; support setting the smart scene to trigger connected devices to make your life easier. 【Note】ZBMINIL2 is a Zigbee End-Device. Why Choose the SONOFF Zigbee 3.0 Smart Relay Switch The 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) provides what serious light switches use demands: versatile build, super tiny, and everyday convenience that lasts.Best For When household use is the priority, the 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) stands out for versatile engineering and practical use.Quick Summary The SONOFF Zigbee 3.0 Smart Relay Switch is a Light Switches product by SONOFF. Operation Mode: ON-OFF. Current Rating: 10 Amps. Operating Voltage: 240 Volts. Contact Type: Normally Open. Connector Type: Screw-in. Price: $50.49.Product Specifications Specification Details Operation Mode ON-OFF Current Rating 10 Amps Operating Voltage 240 Volts Contact Type Normally Open Connector Type Screw-in Brand SONOFF Switch Type Rocker Terminal Terminal Block Material Plastic Item dimensions L x W x H 1.56 x 1.3 x 0.66 inches