To measure the water temperature, you can use the immersion probe in the aquarium / terrarium breeding submerged / animal. ATTENTION: not a thermometer immersed in water, put only the immersion probe in the water. Aquarium thermometers can switch between degrees Celsius and Fahrenheit display, large digital display can read easy and fast. The aquarium thermometer can read with a wide temperature range co.ukom -50 ° C to + 70 ° C, it is available co.ukom -10 ° C to + 50 ° C with the working environment temperature. The suction cup can adsorb fixed to the surface of the terrarium, aquarium or vivarium. The LCD display is clear and easy reading temperature value can be read within 0.1 degrees. Powered by a LR44 button cell battery (not included). This item with long probe cable features an LCD display for easy reading, a high quality suction cup for easy installation and a compact design for discreet use. elegant, small and exquisite, suitable for aquarium temperature measurement;