The ONGROK Digital Hygrometer is ideal for use in humidors, sealed jars, bags, pouches, or wherever you need to keep tabs of the humidity and temperature. This mini digital hygrometer features a clear LCD screen so it's easy to ready, even from a distance. 

The display shows the temperature in Fahrenheit at a range from 58F to 158F.  The unit is powered by two LR44 button cell batteries that come with it. The ONGROK Digital Hygrometer is sold in a 6-pack only. The 6-pack comes in 3 vibrant colors which is great for organizing and separating your items.