Decription: Nomoy Aquarium Digital Fish Tank Thermometer Temperature Sticker    Feature:   \u25cfMeasuring range: 18–34  C \/ 64-93F     \u25cfBig digits、 accurate and easy to read.     \u25cfSuitable for cold water、 tropical and marine aquarium.  \u25cfBoth Celsius and Fahrenheit、 you can choose one to read.     \u25cfEasy to install:       just peel off the back of the sticker and the transparent protective film at the front and stick it on the outside wall of the aquarium、 that is it!      Specification:      Material: Plastic     Package Includes: 1x Aquarium Thermometer Sticker