[Matter compatibility] Easily integrates with popular Smart Home apps like Apple HomeKit, Google Home, Alexa, Home Assistant, and SmartThings. Enabling seamless smart home automation. [High-precision control] Support automatic calibration. After calibration, the roller shutter control can be precisely adjusted through the "Percentage Control" function, with an accuracy of up to 1%. [Scheduled curtain operation] Set specific times for curtain opening and closing based on your personal routines, enhancing convenience in daily life. [Voice control] The roller shutter switch is compatible with Amazon Alexa/Google Assistant/SmartThings, and the opening and closing percentage of the roller shutter can be controlled by voice. [Note] ①This product is designed to connect with your existing motorized curtain system, enabling smart home integration for automated control. ②The curtain motor should have a built-in "End-of-Travel Limit." [Install] This product is compatible with the standard 60mm wall mounting box. Ensure your wall mounting box has sufficient depth(>60mm) to accommodate wiring and the switch base before installation.