1: [Accurate Temperature Reading]: This pool thermometer can float on the water for easy reading, and with its high-precision temperature sensor, it can ensure accurate and fast temperature reading.The floating thermometer displays the temperature in degrees Fahrenheit ( ℉) And degrees Celsius (℃) 2: [Easy to use]: This pool thermometer has large, clear numbers for easy reading. It can be used in swimming pools, fish ponds, bathtubs, etc. 3: [Temperature reading range]: 10°F to 160°F / -10°C to 70°C. The most accurate reading range is between -10°C and 50°C / 20°F and 120°F. The measurement deviation is 1°C / 2°F. 4: [Quality Guarantee]: We keep the thermostat firmly in inside to prevent the glue from separating. 5: [Avoid drifting]: It has a rope strap on it to prevent this pool thermometer from drifting.