Super Small Size The smallest Zigbee smart switch can be easily inserted into the smaller EU/86/120 type mounting box. External Switch Support: works with different types of external switches to control your devices, such as rocker switch, push button wall switch, etc., no neutral wire needed for easy installation and simple operation. 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 the lack of internet, you are able to freely control devices normally, even the light is as dim as 3W, no flickering module is needed. Application Scenes: ZBMINI Extreme can get two-way control for your stair light; Set countdown/scheduled/loop timers to create your life situation; Works well with Amazon Alexa and Google Home to turn your light on/off by voice command; Supports smart setup to trigger connected devices to make your life easier. Note: ZBMINIL2 is a Zigbee device.