Introducing a high-tech 3-pack humidity temperature sensor. It has a compact design, measuring 1.1 x 1.1 x 0.8 in., and comes in a package of 5 x 2.8 x 2.5 in., weighing 0.51 lbs. The Swiss-made sensor provides high-precision readings, measuring temperatures with ±0.54°F / ±0.3°C accuracy and humidity within ±3% RH, with data refreshed every 2s. You can connect the gateway to the app via 2.4GHz Wi-Fi, pairing up to 10 sensors. Set your desired temperature and humidity values on the app. When there's a change, you'll get notifications via app and email. It also allows you to store and export data, viewing the trend chart of the past 20 days and exporting data from the past 2 years. Suitable for wine cellars, bedrooms, basements, greenhouses, and farms, it offers great convenience for monitoring indoor climate.