The Zoo Med Digital Terrarium Thermometer can be used as a wet or dry thermometer. The 39" long temperature probe can be placed throughout the terrarium for pinpoint accuracy.
 
Temperature range: 10°F - 140°F (-23°C - 60°C)
Water resistant temperature probe

Includes mounting suction cups and (1) LR44 1.5v battery. Ideal for tropical, temperate and desert environments. 1-year manufacturer warranty.