Handheld Humidity Meter, Digital Hygrometer Thermometer 0~100% RH/ -30~60\u00B0C (-22~140\u00B0F) LCD Humidity Monitor, Moisture Tester Gauge for Outdoor, Home, Industry, Agriculture HVAC - Battery Included\nProduct Details\n--\u3010DUAL DISPLAY\u3011\u2014This digital humidity gauge is designed to combine the functions of humidity meter and temperature meter, temperature range: -30 \u00B0C~60 \u00B0C (-22 \u00B0F~140 \u00B0F); Humidity range: 0~100 percent RH. The Hygrometer small is enough to put it in your pocket without any problem. You can carry it anywhere anytime.\n--\u3010WIDE APPLICATIONS\u3011\u2014The handheld humidity meter can measure a wide range of temperature and humidity at same time, used for HVAC, industry, agriculture, meteorology, medical, daily life, building engineer, paranormal investigator, machine room, greenhouse, warehouse, data storeroom and etc.\n--\u3010MULTIPLE FUNCTION\u3011\u2014Psychrometer with adjustable LCD backlight for clearly showing data of tr