Safe Hardware: The pool thermometer is very durable and unbreakable, made from safe and user-friendly PVC materials. The thermostat is fixed firmly inside to avoid separating from the glue. So the water thermometer can be used for a long time and still work well Temperature reading range: The floating pool thermometer displays temperature in Fahrenheit and Celsius. The reading range is 30F to 120F / 0C to 50C. And the measurement deviation is 2F/1C Easy to use: This floating water temperature thermometer has large, clear numbers that are easy to read. And the cartoon can also decorate your swimming pool. The bath thermometer provides accurate water temperature and enjoyable time for you, your family and friends Rope design: Each pool thermometer has a rope tie to prevent this floating water thermometer from drifting away. It will be a nice decoration by the pool in summer Suitable occasions: Perfect for swimming pools, wading pools, hot tubs, tubs, spas, paddling pools, fish ponds, hot tubs, large aquariums, etc.