Fahrenheit and Celsius scale,Premium quality, Built from Material & Shatter Resistant. Measures pool and spa water temperature and provide accurate reading. Large temperature reading display, in Fahrenheit and Celsius. Reads Up to 120 Fahrenheit and 50 Celsius. EASY TO USE! Simply drop this in your pool, spa, pond, or anything else you may want to use and it will start to get a temperature reading .For All Outdoor & Indoor Swimming Pools, Spas, Hot Tubs, Aquariums & Fish Ponds. Specifications: This Floating Thermometer is the perfect and to tell the temperature of the water in your pool, hot tub and so on. The thermometer features an easy to read display in both Fahrenheit and Celsius (30~120 Fahrenheit & 0~50 Celsius ) and comes with a tie off string so no worries about it floating away from the edge. Shatter resistant plastic body and tie rope easy to find. Material: PP Color: White Size: . 19.5X4.5cm Package Contents: 3 * Swimming pool float thermometer Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.