196Ft Wide Bluetooth Covering Range: Transmission range is up to 196 feet without obstructions. You can track the temperature and humidity data of the instant read meter remotely via Bluetooth on the Home App within this distance. Smart App Alerts: Preset tempereature and humidity alert range via Home App. If the current reading fall out of that range, you'll receive a notification instantly. Respond faster to changes in your nursery room, cellar, basement or terrarium. Accuracy & Fast Response: With a built-in Swiss-made sensor, this meter hygrometer provides accurate instant readings(0.54F/ and 3%RH). The precise data refreshes every two seconds within this digital temperature and humidity monitor. 2 Year Data Record and Export: This bluetooth meter hygrometer can record both temperature and humidity data in 2 years and synchronize your data automatically to your phone via Bluetooth. You can export data to CSV format at any time. Two Mounting Options: This bluetooth meter hygrometer is designed with a mini round LCD screen and a unique base. Put it on the table or mount it onto the wall, decorating your room in a simple style. Desk stand and wall mount bracket included.