Check the listing for details. JB Industries WH-1 CLIMATE CLASS Psychrometer/Hygrometer. Condition: New. Listed at 178.99 USD. JB Industries WH-1 CLIMATE CLASS Psychrometer/HygrometerCLIMATE CLASS Psychrometer/HygrometerFEATURESThe NEW Wireless Psychrometer/Hygrometer from the JB CLIMATE CLASS family of tools wirelessly connect with the DM4-W Wireless Digital Manifolds through the JB GO AppMeasures temperature and humidity (Wet Bulb, Dry bulb, Relative Humidity, and Dew Point)Non-removable shield cap that twists to protect the sensor when not in useFlexible wand for pin-pointing specific areasBright OLED screen displays information (without requiring an IOS or Android app); includes battery life indicator 2 button interface and intuitive menu offers easy setting adjustments Over-molded parts for increased grip and durability; Rear-mounted magnet for easy and secure positioning 1 year warranty WarrantyIncludes blue and red colored bands for Wet Bulb or Dry Bulb Sensor Type:Digital Humidity and Temperature SensorTemperature Units:Fahrenheit, CelsiusTemperature Range:-40 to +125°C (-40 to +275°F)Humidity Range:0% to 100% Relative HumidityHumidity Accuracy:± 2% RHTemperature Accuracy:± 0.2°CPower Supply:Two AA batteries (included)Battery Life:Approximately 120 hoursOperating Temperature:+32°F to 122°F (0°C to +50°C)Storage Humidity:85% RH @113°F (45°C), non-condensingDisplay:OLEDUnit weight:6 oz