Upgrade your curtains with the SwitchBot Curtain U Rail 3, a smart and easy-to-install solution. This device makes your curtains smart in seconds without any need for screws, nuts, or bolts, ensuring a smooth sliding experience. It offers multiple control options, including the SwitchBot app (iOS/Android), Touch & Go functionality (a gentle tug), and remote control via the SwitchBot Hub Mini/Hub 2 (sold separately). When used with a Hub, it integrates seamlessly with smart assistants like Amazon Alexa, Google Assistant, Siri, and IFTTT, allowing voice control for opening and closing curtains. The SwitchBot Curtain also supports Apple Homekit when paired with the SwitchBot Hub 2. Enhance your living space by setting timers for automatic curtain operation, helping you get better sleep and wake up naturally to sunlight. It can also contribute to energy savings by reducing reliance on air conditioning and heating. Note: This model is designed for U Rail curtain tracks and does not support square rods. Two curtain bots are required for dual curtains.