Super Small Size The smallest Zigbee smart switch can be easily installed in the smallest mounting box of EU type/type 86/type 120. Neutral Free MicromoduleSupport external switch, work with different types of external switches to control your devices, such as rocker switch, push button wall switch, etc., no neutral wire required 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 local network. No more worry about the lack of internet, you can freely control devices normally, even if the light is as dim as 3W, no. An anti-flicker module is required. Application ScenesZBMINI Extreme can realize two-way control for your stair lighting; Set countdown/schedule/loop timers to create your situational life; Supports smart scene setup to trigger connected devices to make your life easier. Hands-Free Voice ControlCompatible with Alexa and Google Home, which allows household appliances to be turned on or off by voice.