ThermoPro TP357 Digital Hygrometer Indoor Thermometer of 260FT, Bluetooth Thermometer Humidity Meter with Smart App, Room Thermometer Humidity Gauge with Temperature Humidity Sensor 1 White

Face icon comfort indicator: Humidity meter features face icons to indicate DRY/COMFORT/WET air condition quickly to notify you to adjust your humidifier or dehumidifier accordingly
260feet/80meter Enhanced Bluetooth range: Thermometer indoor outdoor contains an enhanced Bluetooth Technology to produce a stable, reliable 260feet/80meter range (no obstructions) to ensure you'll always have full home coverage to monitor the temperature and humidity within your home
High accuracy: Indoor thermometer/hygrometer digital humidistat is highly accurate for both temperature and humidity readings (+/-1 Fahrenheit/Celsius and +/-2%)
Smart App with Alerts: Set a temperature gauge range via the ThermoPro Sensor and instantly receive a phone notification if the temp and humidity monitor levels fall outside of your range, allowing you to quickly react to make necessary adjustments; Have a private and secure App! ThermoPro App do not register user information, which further protects user privacy
1 Year Data Storage with Data Graph: Home temperature monitor displays an easy to use smart thermometer graph with Maximum 1 year time period so you can analyze your home's historic temp and humidity data without registration