The Marina LCD Aquarium Thermometer features an easy-to-read liquid crystal display (LCD) that is reliably accurate to plus-or-minus 1°F, meaning no guessing and no color confusion. It mounts vertically and easily sticks to the outside surface of any aquarium.

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

Just place this removable thermometer in an easy-to-read position below the waterline for accurate aquarium temperatures.