●【Screen Display】: Digital Water Thermometer is design with large screen display, which ensures easy reading for children and older people. ●【Versatile Thermometer】: Aquarium Thermometer suitable for fish tanks, aquariums, and other water-based environments. ●【Wide temperature range】: Fish Tank Thermometer can accurately measures temperatures ranging from -58°F to +158°F . ●【Keep Your Fish Healthy】Reliable Water Temperature Thermometer is designed specifically for aquarium use. Accurately monitor and maintain optimal water temperature for the well-being of your fish. ●【Easy to Use】: Attach LCD screen reader on the outside of your tank with a suction cup. Place the reader tip (sensing probe cable wire) into the tank and hold it with the suction cup. Then press the button on the screen to take a reading.