Durable and shatter resistant The Floating Spa Thermometer is made from durable material for long lasting use and is not easily broken or shattered. Accurate measurement Provides precise readings in both Fahrenheit and Celsius, with a maximum temperature range of 100 F and 40 C. Convenient and easy to read Large temperature display; floats on the water for quick and effortless readings. Flexible design The floating ball and thermometric stem can be separated, allowing the thermometer to be used as a submersible thermometer to measure water temperature at the pond bottom. Use scenarios Spa or hot tub monitoring: Keep the water at a comfortable and safe temperature for relaxing bubbles and enjoyment. Pool, pond, or fountain checks: Read temperature at a glance; detach the stem to submerge for bottom measurements when needed. Outdoor water feature maintenance: Quick temperature checks during seasonal preparation or chemical balancing. Key attributes Function: Measures water temperature in Fahrenheit and Celsius; floats for easy access; detaches for submersible bottom readings. Compatibility: Suitable for spa, hot tub, pool, pond, and other outdoor water features. Size and form: Floats on the surface with a separate thermometric stem for submersion. Material and durability: Built to resist breaking or shattering with regular use. Performance: Accurate readings up to 100 F / 40 C.