Lifegard LED Digital Thermometer.

Lifegard Aquatics continues their breakthrough technology with the development of the industry's first submersible LED Digital Thermometer. This highly visible, ultra-bright blue LED display can be seen from across any room. When used submerged...it displays the water temperature in your tank...or dry to display the air temperature. Many uses include fresh or saltwater applications and reptile tanks. Accurate and dependable...the Lifegard LED features an adjustable suction cup attachment...a safe, 6V power supply with 5' cord and a hang or stand clam shell display with complete instructions.