No one likes not knowing what they're getting into. Avoid surprises and get the Intex Pool Thermometer to tell you just how cool your swimming pool really is. Featuring a large buoyant top, this thermometer floats along the surface of your pool making it an easy grab for a quick reading. It reads both Fahrenheit and Celsius for however you prefer to read your temperature. Buy the Intex Thermometer today and be better prepared for your next jump in. Floats on water surface. Reads Fahrenheit and Celsius.