The GAME 14000-ROA-31 Solar Digital Pool & Spa Thermometer is a floating, solar-powered thermometer designed for measuring the temperature of pools and spas. With a 9-inch size and a blue color, this plastic thermometer features a 4-inch diameter and LED indicator for easy reading. It operates on thermal measuring technology and displays temperature in Fahrenheit. This model from GAME is lightweight at 0.37lb and is equipped with a solar power source for convenient use in outdoor environments. Ideal for monitoring water temperature in pools and spas, this thermometer is a reliable tool for maintaining optimal water conditions.