LIFEGARD® AQUATICS continues to innovate on 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 secure it outside to display the air temperature. Uses include fresh or saltwater applications and reptile tanks. Our sensor is accurate and dependable. The Lifegard LED Digital Thermometer features an adjustable suction cup attachment and includes a safe, 6V power supply with 5′ cord and a hang or stand clam shell display with complete instructions. LIFEGARD® LED Digital Thermometer Industry’s First Submersible LED Thermometer Winner 2012 Pet Product News “Editor’s Choice Award” Highly Visible…Bright…Ultra-Blue Light Can be Viewed Across Any Room Adjustable Suction Cup Attachment Safe 6V Power Supply with 5′ Cord Use 1 submerged to Display Water Temperature Use 1 Dry to Display Air Temperature