Tetra TH Digital is developed for the precise measurement of the water temperature in the aquarium with easy to read digital display. The compact thermometer in blue design is suitable for all aquariums and with the included Varta battery ready for immediate use.+ with suction cup for holding the thermometer on the aquarium glass+ with two more suction cups for the sensor and the sensor cable+ extra long cable of 95 cm+ measuring range between -10 to + 50C+ Display can switched betweenF/C+ incl. Varta batterie for long life time