1、ACCURATE: Equipped with an accurate dual probe sensor with an accuracy of ±1°F and ±5%RH, ‑10°C~50°C temperature range and 10%~99% RH humidity range. 2、REAL TIME MONITORING: Equipped with independent humidity and temperature probe sensors, and 10 extra large sensitive vents to measure changes every 10 seconds in real time. 3、LARGE LCD DISPLAY: An indoor temperature and humidity meter that is better than analog and chemical thermometers, with a large LCD display, you can easily get clear readings. 4、MULTIPURPOSE: Multifunctional thermometer and hygrometer for use in reptile enclosures, garden soil, greenhouses, warehouses, basements, closets, wine cellars, humidors, guitar rooms, freezers, etc. 5、EASY TO USE: Easy to use and install, this indoor thermometer is a must have for maintaining correct humidity and temperature levels for sensitive humans, animals, plants, and more.