Flexzion Digital Humidity Temperature Meter Mini Hygro Thermometer Hygrometer Tester Tool Handheld With Dew Point And Wet Bulb Sensitive Sensor Quickly response time, comes with a sensitive humidity / semiconductor sensor High accuracy and performance, provide useful measurements for analysis of critical environment conditions Micro processor-based design, combine the functions of humidity meter, temperature meter, wet bulb temperature and dew point temperature Max. / Min. data hold function and dual measurement display for temperature and humidity LCD display with back-light and auto power-off after approx. 15 minutes with disable feature