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
• 1.75" Tall thermometer mounts easily on outside glass
• No guessing or color confusion
• Reads temperature range from 72°F to 86°F

Just place this removable thermometer in an easy to read position below waterline for instant use!