TP53 Digital Hygrometer Indoor Thermometer+ TP49 2 Pieces Digital Hygrometer

Face Icon Comfort Indicator: Humidity temperature gauge features face icons to indicate DRY/COMFORT/WET air conditions, quickly informs you how to adjust your humidifier or dehumidifier to achieve optimal comfort High Accuracy & Fast Refresh Rate: Hydrometer digital is equipped with an advanced temperature sensor and accurate to ±2.0°F(+/-1.1°C) and +/-2–3%RH, which refreshes every 10s to promptly instruct you to adjust humidistat Highly Accurate Sensors: This temperature humidity sensor features a high accuracy of +/-1°F/°C and +/-2% to 3%RH, making it ideal for measuring dynamic environments like greenhouses