Features Versatile design: Use calibrated detection modules to reduce deviations and improve accuracy, with temperature unit selection for fast switching. Wide application: widely applicable to temperature and humidity measurement of rooms, underground, libraries, shopping malls, communication centers and other equipment. HIGH PRECISION DESIGN - Humidity and temperature are designed with high-precision temperature and humidity sensors for high accuracy, fast response and stable readings. Portable and convenient size: the meter is small and portable, and the LCD display with white backlight can be used in dark environments. More functions: Data retention, max/MIN, enable/disable automatic shutdown, overhead indication, low battery indication. Features: More functions: Data retention, max/MIN, enable/disable automatic shutdown, overhead indication, low battery indication. Portable and convenient hand size - the meter is small and portable, and the LCD display with white backlight can be used in dark environments. Versatile design: Use calibrated detection modules to reduce deviations and improve accuracy, with temperature unit selection for quick change. Widely applicable to temperature and humidity measurement of rooms, underground, libraries, shopping malls, communication centers and other equipment. HIGH PRECISION DESIGN - Humidity and temperature are designed with high-precision temperature and humidity sensors for high accuracy, fast response and stable readings. Package List: 1 * Temperature Humidity Meter 1 * User Manual Package List