Get a 3-pack of indoor hygrometer thermometers. With a 4.02 x 2.99 x 2.83 in. size and weighing 0.19 kg, it's compact and convenient. The large 3 in. bright LCD screen makes it easy to read. The Swiss-made sensor ensures high accuracy, with temperature accurate up to ±0.54°F and humidity ±3%RH, a 40% increase, and a 2S refresh speed. Download the app, search for and select the device to pair it in one minute. It has a 196ft/60m Bluetooth range for instant notifications. You'll receive alerts when the temperature or humidity is out of the preset range. It offers 20 days of online data storage, and you can export the latest 2 years' data to CSV format. Ideal for home, garage, baby nursery, wine cellar, and more, it helps you maintain a comfortable environment and keep track of temperature and humidity changes.