The swimming pool thermometer can read Fahrenheit and Celsius temperature at the same time. There is a rope that can be tied to things so that you can easily take it out of the swimming pool to check the temperature. Hot tub thermometer with sturdy material can withstand the test of sunlight and other outdoor elements. Floating pool thermometer looks like a floating poop, which is a great floating poop prank. This funny pool thermometer is suitable for swimming pools, spas, hot tubs, etc. Package Includes: 1x Pool Thermometer Specifications: Material: ABS Length: 28.8cm/11.3 inch note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.