SwitchBot Curtain Smart Electric Motor - Wireless App or Automate Timer Control, Use SwitchBot Hub Mini to be Compatible with Alexa, Google Home, HomePod, IFTTT (U-Rail, White) Multiple Control Options - Use our iOS or Android app to open or close your curtains at your fingertips. Or use Touch & Go and just give them a little tug to control. You can also check and control remotely via app to help prevent home theft when traveling. (Bluetooth range: 262ft, when using SwitchBot Hub 2/Mini you can control remotely) Helps You Live Healthier - Set timers to close your curtains at night or open early using our built-in light sensor to help get better sleep and wake up naturally to sunshine. It can even help save energy by reducing the need for air-conditioning and heating. Even Better With Smart Assistants - Use with SwitchBot Hub 2/Mini, and SwitchBot Curtain can be compatible with Amazon Alexa, Google Assistant, Siri, IFTTT and others for even more home automation. Just say "Alexa/Ok Google/Hey Siri, let sunlight in" to open your curtains. Small Yet Powerful - SwitchBot Curtain can push curtain weight from anywhere between 5kg (11lbs), up to 8kg (17lbs), and is chargeable when used with SwitchBot Solar Panel (sold separately).