ThermoPro TP357 Room Thermometer Indoor Bluetooth Hygrometer Humidity Meter and Temperature Monitor with Smart App Data Recording Sensor for Baby Office, 3 Pieces

High Accuracy and Fast Refresh: Bluetooth thermometer with smart temperature and humidity sensor is highly accurate for both temperature and humidity readings. The temperature is accurate to ±0.5°C while humidity is ±2%RH. Temperature and humidity meter are updated every 10 seconds to keep you informed of the latest changes in the air conditioner Up to 80m Bluetooth Remote Range: Room thermometer nursery contains an enhanced Bluetooth Technology to produce a stable, reliable 80m/260ft Bluetooth remote range (no obstructions) to ensure you'll always have full home coverage Face Icon Comfort Indicators: Indoor thermometer for home features face icons comfort indicate DRY/COMFORT/WET air conditions in an easy to understand format and allow you to adjust your humidifier or dehumidifier accordingly Smart APP with Alerts: Set a temperature gauge range via the ThermoPro Sensor and instantly receive a phone notification if the temperature or humidity monitor levels fall outside of your range, allowing you to quickly react to make necessary adjustments Up to 2 Year Free Data Storage: Home temperature monitor displays an easy to use smart thermometer graph with Maximum 2 year time period so you can analyze your home's historic temperature and humidity data.