[Solar Swimming Pool Thermometer] The floating solar swimming pool thermometer is made of materials, and it is shatterproof and can be used for a long time. Swimming pool thermometers can be widely used to measure the water temperature in swimming pools, hot springs and baths. Before use, please charge the pool thermometer for 3-4 hours under direct sunlight [Easy to use] The temperature of the swimming pool has 3 buttons. After charging the solar battery, just put the water thermometer directly into the water for 1-2 minutes, and then remove it from the water to read the degree. The water thermometer has two display modes: Fahrenheit and Celsius. Large display and high-precision temperature sensor make data reading very easy [Clear digital temperature reading] The high-precision temperature sensor has the highest and lowest temperature functions, which can be switched by pressing the button to that different reading requirements are met. The temperature range tested is: 0°C~+50°C,