PYLE Meters PTHM15 Mini Temperature and Humidity Meter with Dew Point and Wet Bulb Temperature Mini temperature and humidity meter with dew point and wet bulb temperature - auto power off - fast response time - dew point temperature - Dual display temperature &amp; humidity Data hold function - humidity range: 0-100%rh - temperature range: -20 - 80 C/ -4 - 176 F Dew point temperature: -20 - 80 C/ -4 - 176 F