The Best DealOriGlam Multi-function Digital Humidity & Temperature Meter, Thermometer & Hygrometer with Wet Bulb/Dew Point 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 display for temperature and humidity. LCD display - With back-light and auto power-off after approx. 15 minutes with disable feature.