Check the listing for details. Digital Temperature Humidity Meter, Thermometer Hygrometer with Ambient Dew P.... Color: Black+Orange, Condition: New. Listed at 69.12 USD. Digital Temperature Humidity Meter, Thermometer Hygrometer with Ambient Dew Point and Wet Bulb Temperature Indoor and Outdoor, Data Logger with Min/Max Hold, LCD Backlight, PT6508 ✓ Free 60 Day Returns ✓ Free Express Shipping Description: Features: Professional Dual Display Thermometer HygrometerHigh-precision digital sensors from the US ensure accurate measurements, refresh every 0.4s, and Include a function to lock the current reading. Temperature range: -4~140F(-20C-60C), Humidity range: 0~100%RH. Incloud 4 types of temperature modes: humidity, ambient temperature, wet bulb temperature, and dew point temperature. The dew point is a measure of how much water vapor is actually in the airMultifunctional Protmex Temperature Humidity MeterC and F humidity meter; Temperature mode switcher: ambient, dew point, and wet bulb temperature; Datastore and read; Max hold and min hold functions can view the maximum and minimum values of the 99 previously stored data sets; Low battery indicator; 4 AAA batteries includedBacklight LCD Display Temperature Humidity GaugeProtmex temperature and humidity meter are equipped with a backlight LCD screen, which is appropriate for gathering the data at night. To save power, it will auto shutdown, if without any operation after 30 minutesWidely Used Digita l PsychrometerAdopt industrial-grade high-precision digital sensors from the United States, easy to use and accurate, suitable for various fieldsHVAC, industry, agriculture, meteorology, medical, daily life, building engineering, paranormal investigator, in the wine cellar, machine room, in living and office area, traffic environment, and data storeroomProtmex 24/7 SupportWe provide 12 monthly quality guarantee. The Protmex support team is able to respond to your questions and requests within 24 hours. If you are not satisfied with the product, please feel free to consult for help Product Details: Color: Black+OrangeBrand: ProtmexProduct Dimensions: 23.6"W x 72.4"HItem Weight: 6.56 ouncesBattery Description: AAAIs Discontinued By Manufacturer ‏ : ‎ NoProduct Dimensions ‏ : ‎ 7.24 x 2.36 x 1.14 inches; 6.56 ouncesItem model number ‏ : ‎ PT6508 Temperature HygrometerBatteries ‏ : ‎ 4 AAA batteries required. (included)Date First Available ‏ : ‎ November 2, 2015Manufacturer ‏ : ‎ PeakmeterCountry of Origin ‏ : ‎ ChinaBest Sellers Rank: #42,794 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #7 in Humidifier Humidity Meters #41 in Humidifier Accessories#7 in Humidifier Humidity Meters