The ESU Battery Operated Digital Thermometer acts as a precise way to measure the temperature of your tank. The unit is ideal for aquariums and terrariums. Readings in 0.1 degree increments Fahrenheit or Celsius. Temperature range -10 degrees F to 140 degrees F (-23 degrees C to 60 degrees C). Mounting suction cups and battery included. The thermometer includes a 39 inch long temperature probe-cord making to easy to position the probe inside your tank.
Instructions:
Attach suction cups and mount unit and probe in desired location. Press power button to activate unit. Slide Fahrenheit/Celsius selector to desired reading. Depress power button for 3 seconds to turn unit off. For long term storage, be sure to remove the battery.
Size: Unit is 2 1/4" x 1 1/2" x 1/2".