Condition: Brand New Item Type: Temperature and Humidity Meter Material: ABS HumidityRange: 0~RH RangeAccuracyResolution 45~75%RH±3.0% Relative Humidity0.1 0~45%RH 75~RH±4.5% Relative Humidity TemperatureRangeAccuracyResolution -20℃~70℃±1.0℃0.1 -4℉~158℉±1.8℉ Dew Point Temperature-20℃~70℃±1.5℃0.1 -4℉~158℉±2.7℉ 25℃; 40%~RH Wet Bulb Temperature-20℃~70℃±1.5℃0.1 -4℉~158℉±2.7℉ Data Update0.5 Seconds Automatic Power OffAfter 15 minutes of no operation, the meter will automatically turn off Operating Conditions-20℃~60℃/-4℉~140℉, 10%RH~90%RH Storage Conditions-20℃~60℃/-4℉~140℉, 10%RH~75%RH Power Supply3 x 1.5V Battery (Not Included) Product SizeApprox. 168 x 56 x 30.5 mm / 6.6 x 2.2 x 1.2 in WeightApprox. 117g / 4.1oz 1、Support for out-of-range indications, support for low battery indication and support for ℃/℉ temperature unit selection. 2、There is a color LCD screen with backlight for easy reading of temperature and humidity data, which is more practical. 3、Humidity and thermometer meter is designed with humidity and temperature sensors that provide high accuracy, quick response and stable readings. 4、It is widely used to monitor and collect data on ambient temperature and humidity, making it simple and convenient to use. 5、The meter is widely used to measure the temperature and humidity of rooms, subways, libraries, commercial centers, communication center rooms, etc. 1 x Temperature and Humidity Meter (Battery Not Included) 1 x English User Manual