Creates accurate readings within 0.1 degrees. Equipped with a long-lasting LR44 battery. Includes suction cups to attach the unit to the outside of a tank and a probe to submerge into the water.
Reports of battery on/off button being faulty, so the battery runs constantly.
Uses thermochromic technology to deliver accurate readings. Easy to read when mounted in the vertical position. No batteries or electricity required. Works on glass, plastic, and acrylic tanks.
Does not last as long as digital thermometers.
Waterproof thermometer goes on the inside of a tank and is held in place with the included magnet. Comes with a green safe zone that shows the optimal temperature range. Large and easy-to-read numbers.
Readings are off by about 2 degrees.
Gives readings after 2 minutes via a color-changing technology. Offers accurate readings in Celsius and Fahrenheit. Easy to apply. Has long-lasting adhesive. Comes in a pack of 4 strips.
Too dark and not very easy to read.
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