1.[Super Tiny Size]The tiniest Zigbee smart switch can be easily fit in the smallest EU-type/86 type/120 type mounting box. 2.[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 and simple use. 3.[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 ly control the appliances normally even the light is as low as 3W, no anti-flicker module is required. 4.[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 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: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.