Material: Made of shatterproof plastic, the Swimming Pool Temperature Sensor is durable and can serve for a long time Rope Design: Simple Style Water Temperature Sensor with string is to keep the Temperature Sensor in place and not floating, making a happy swimming experience Dual Scale: Large display for reading temperature, Fahrenheit and Celsius. Reads up to 120 degrees Fahrenheit and 50 degrees Celsius Easy to Use: Just leave it in the pool, spa, pond or anything else you want to use and it will start to have a temperature reading for you Application: This floating Temperature Sensor suitable for all outdoor and indoor pools, spas, hot tubs, aquariums and fish pond Description This floating Temperature Sensor is the perfect and easy way to indicate the water temperature in the pool, hot tub and so on. The Temperature Sensor is equipped with an easy-to-read display in both Fahrenheit and Celsius (30 ~ 120 Fahrenheit and 0 ~ 50 degrees Celsius) and comes with a rope to tie the lanyard, so don't worry about floating away from the edge. Features Color: White Package includes: 1pc*Swimming pool Temperature Sensor