Works with Apple HomeKitCheck data through the Home app on your iPhone. With an Apple Home Hub device, you can access data remotely or set automation (iPhone must be upgraded to iOS 15.1 or later and the Hub must be updated to the latest version). With the Qingping+ app, you can export data for the last 30 days. The device transmits the latest data to the hub or phone every 10 minutes. Please note: this product does not work with the Qingping+ app on Android phones, only on iPhones. Precise measurements: the built-in Swiss sensor responds with precise measurements in time real. The measuring range is 0-50C for temperature and 0-99.9% relative humidity (non-condensing environment) for humidity. Press the Back button to switch between Fahrenheit and Celsius. Please do not place this product in >90% humid environment for long-term use. *For accurate measurements, after receiving the product, place it in the same place for at least 20 minutes and then check the measurements. Smart designMultiple mounting options: 1 ) With the magnetic wall sticker, you can easily attach it to a wall, or detach it. 2) Open the stand on the back of the product, you can place it on a desk; 3) You can attach it to an iron surface (because it has built-in magnets). The HomeKit compatible sensor can be a beautiful decoration for the living room, bedroom, greenhouse or anywhere you like. E-ink display: the readings on the The screen are so clear, like characters printed on real paper. So you can know the temperature and humidity at a glance from different angles in the room. Size: Product volume 7.4 cm*7.4 cm*1.4 cm White color < p>Quantity: 1 piece.