Marina LCD 1.75" Digital Aquarium Thermometer 72 to 86° F

The Marina LCD Digital Aquarium Thermometer is an easy-to-read liquid crystal display (LCD) aquarium thermometer that is reliably accurate to plus-or-minus 1° F: no guessing, no color confusion. Mounts vertically and easily sticks to the outside surface of any aquarium. Accurate and easy to read Thermometer mounts easily on outside glass No guessing or color confusion Reads temperature range from 72 to 86°F Aquarium Thermometer Length 1.75"L x 0.75"W Just place this removable thermometer in an easy to read position below waterline for instant use!