Use this floating buoy thermometer to give you an accurate temperature in your swimming pool or spa. The thermometer has an easy to read dual scale and a shatterproof case. So no more jumping in the pool wondering if the water is too cold for you as you will be prepared with this thermometer. Buoy floating pool or spa thermometer Accurately reads air and water temperature Easy to read dual scale Removable floating top Shatter resistant case Comes ready-to-hang on a white nylon cord