The Marina LCD Thermometer is an easy-to-read liquid crystal display aquarium thermometer that is reliably accurate to plus-or-minus 1°F. No more guessing, no color confusion. Mounts vertically and easily sticks to the outside surface of any aquarium.

• Accurate and easy to read
• Mounts easily on outside glass
• Removable

Just place this removable thermometer in an easy to read position below waterline. Reads temperature range from 72° F to 86° F.