SwitchBot Meter, a wireless thermometer hygrometer, gives you coverage of your home conditions 24hrs a day, all year round. Thanks to a huge Bluetooth range of up to 120m (394ft), you¡¯ll be able to check data via our SwitchBot app no matter where you are at home. With SwitchBot Hub Mini, you can also take advantage of Alexa and get indoor temperature readings with simple voice commands. What's more, when the temperature goes above or below your preset range with real-time notifications will be sent to your phone no matter where you are. This unit supports Alexa, Google Home, Siri Shortcuts, Line, and SmartThings.