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 aquarium thermometer
• Mounts easily on outside glass
• Reads temperature range from 66 to 88° F
• Aquarium Thermometer Length 3"L x 1"W

Just place this removable thermometer in an easy to read position below waterline.