Digital Self-Adhesive Thermometer

Helps you establish an appropriate Environmental Temperature Range (ETR) within your pet's enclosure to help ensure your pet's safety, comfort, and longevity. In addition, adhering this digital thermometer to the outside glass of aquatic systems (below the water level) allows aquarium owners to monitor the water temperature for aquatic pets.
Approximately 5-1/4" x 7/8" wide. Range: 70-105 degrees Fahrenheit in 5 degree increments, 21-41 degrees Celcius.