Silent Mode for Peaceful Living: Our smart curtains come with a Silent Mode that operates the motor below 25dB to reduce noise while opening and closing your curtains. Perfect for those sensitive to sound or with sleep disorders, this environmentally friendly device is easy to use, saves electricity, and conserves energy. Supports Matter and HomeKit: can be integrated with Apple HomeKit through the (sold separately), allowing you to control your curtains via the Home App or your HomePod Watch. You can also use it with other Smartlife devices for better automation and scene control. Note that two units are necessary if your curtains open in the middle. .Multiple Control Options: Manage your curtains with ease using our app, which lets you control opening, closing, and open percentage. Set custom schedules for fully automated curtains. you can also use Smartlife， Alexa, Google Home, SmartThings, Siri Shortcuts, and IFTTT . Note that two units are necessary if your curtains open in the middle. You can watch our Curtain Robot tutorial videos right here. Strong and Accurate: our all-new upgraded motor ensures smooth operation even on heavy curtains (up to 33lb). The positioning magnet ensures precise control, eliminating the need for repeated calibration and prevents light leakage. Note that it is not compatible with extendable rods with a diameter less than 5/8 inch.