Accurate Temperature Readings: No more guesswork with accurate temperature readings. Durable ABS Plastic: Made from durable ABS plastic, the thermometer lasts from season to season. Product Specifications: The thermometer is 7” tall and reads in both F°and C°. Rope Tether: The thermometer includes rope tether to keep the thermometer from floating away. Fun and Decor Adding: The shaped top adds fun and decor to your pool.