Made of glass, small size and ultralight.

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.

Clear and easy to read scale that tells you, unmistakably what the temperature is in both Celsius and Fahrenheit degrees.

Being that this thermometer is inside the tank, it gives a much accurate reading of the water temperature than those placed on the outside.

Sizes:
Yellow Thermometer - 14cm (0 - 50 Degrees)
Tall White Thermometer - 11cm (0 - 40 Degrees)
Short White Thermometer - 7cm (0 - 40 Degrees)
Heat Activation Strip - 13cm (10 - 40 Degrees)

What's in the box
1 x Yellow Aquarium Thermometer - 14cm (0 - 50 Degrees)
1 x Tall White Aquarium Thermometer - 11cm (0 - 40 Degrees)
1 x Short White Aquarium Thermometer - 7cm (0 - 40 Degrees)
2 x Aquarium Water Heat Activation Strip - 13cm (10 - 40 Degrees)