The Strend Pro Pool dispenser with thermometer is a practical and reliable helper for maintaining clean and hygienic water in your pool. It is designed for the gradual release of chlorine or multi-functional tablets with a diameter of 1.5". The built-in thermometer allows for easy monitoring of water temperature in degrees Celsius and Fahrenheit. The floating design ensures even distribution of chemicals in the pool, preventing the growth of algae and bacteria. Made of high-quality and durable plastic that resists pool chemicals and UV radiation. An ideal solution for effective pool maintenance.