Aqua One LCD stick on Thermometer

Description Aqua One LCD Electronic Thermometer provides a digital reading outside of your aquarium. Features : Easy and accurate reading Can measure both celcius and fahrenheit Simple operation Locate outside of your aquarium for easy access Directions : Open the battery cover and insert the battery(provided) side up Using the suction cup, attach the display unit to the outside of the aquarium Submerge the probe into the water in the aquarium Do not submerge the display unit, only the probe is water resistant To preserve the battery life, press the FSW button for three second to power off or remove the battery To power on, press the FSW button Suitable For: Coldwater, Tropical & Marine