The Mainstays Large Print Dial Pool Thermometer is a practical and easy-to-read device for measuring the temperature of your pool or spa. With a large teal sachet color and a 4-inch diameter, this thermometer is easy to spot and use. Made of durable plastic and featuring a dial display, it is waterproof and equipped with a handy strap for easy carrying. The thermal measuring technology provides accurate readings in Fahrenheit, making it a convenient tool for maintaining the optimal temperature of your outdoor water features.