Durable - The thermometer is made of high-quality PP material, durable, safe and reliable. It is drop-resistant, oxidation-resistant, corrosion-resistant and durable, suitable for all seasons. You don't have to worry about damaging the thermometer in high temperatures. Easy to use - The floating thermometer is solar powered. Just place the thermometer in water. It usually takes 1 to 2 minutes to display a reading. The thermometer uses both Fahrenheit and Celsius displays, and the information is very easy to read. Clear and accurate - The floating thermometer is equipped with a large digital display that clearly shows the test temperature in Fahrenheit or Celsius and has high and low temperature functions. The test temperature range is: -20°C to +70°C, -4°F to +158°F. Easy to carry - The drawstring included with the thermometer keeps it within reach, suitable for all pools, easy to remove, compact, lightweight and easy to carry. - The floating thermometer is ideal for indoor or outdoor pools, spas, hot tubs, fish ponds, aquariums, hot tubs and other applications, allowing you to quickly read the temperature.