DIGITAL AQUARIUM THERMOMETER
What good is a good aquarium heater without a good aquarium thermometer to see what the temperature really is? This thermometer will do the trick.
Reads room temp/water temp within 2°.
Perfect for aquariums, reptiles or greenhouses. These digital thermometers include long-life battery, plastic probe with suction cup and 3' cord. Salt and Fresh water safe.
Runs on 1 AAA battery.