[Easy to use] The temperature of the swimming pool has 3 buttons. After charging the solar battery, just put the water thermometer directly into the water for 1-2 minutes, and then remove it from the water to read the degree. The water thermometer has two display modes: Fahrenheit and Celsius. Large display and high-precision temperature sensor make data reading very easy. [Clear digital temperature reading] The high-precision temperature sensor has the highest and lowest temperature functions, which can be switched by pressing the button to that different reading requirements are met. The temperature range tested is: 0℃-+50℃, 32℉-+122℉, this is a very flexible swimming pool floating thermometer, the large display tell you the accurate temperature. [Widely used] Floating thermometer is the to enhance swimming pleasure. perfect for family swimming pools, spas, pool spas, hot tubs, aquariums and fish ponds. water thermometer meets 90% of the needs of measuring water temperature in life. [High-quality and material] The swimming pool thermometer is made of high-quality materials, , , , suitable for indoor and outdoor use. The attached rope can fix the pool thermometer of the pool for your convenience. Note that because it is the hot summer season now, this product cannot be exposed to direct sunlight in an open-air swimming pool (the sun's temperature is higher than 60 degrees), and cannot be exposed to direct sunlight for more than 4 hours continuously, otherwise water enter, chaotic display, etc. Colour:As Shown Material:Plastic Package Contents: 3 * Floating Pool Thermometer Only the above package content, other products are not included. Note: Light reflection 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.