Glass Thermometer

Clear and easy to read scale that tells you, unmistakably what the temperature is in BOTH Celsius and Fahrenheit degrees.
It floats and is secured by a included suction cup.
Easy to install, just drop it in the tank and attached the suction cup to the inside of the tank for easy and accurate reading.
Being that this thermometer is inside the tank, it gives a much accurate reading of the water temperature than those placed on the outside
Test range: 0 -40 degree
Size: about 11cm