Wireless Pool Thermometer The floating pool thermometer has a maximum wireless connection range of 328 feet and a temperature error range of less than 1C The outdoor pool thermometer can be wirelessly connected to an indoor receiver so that you can check the temperature data without leaving the room. Swimming pool sensor temperature measurement range: -40 ~ 70 C / -40 ~ 158 F. Indoor receiver temperature measurement range: -10 ~ 60 C / 14 ~ 140 F. Digital Pool Thermometer The floating pool thermometer is equipped with a sensitive contact probe that can quickly and accurately detect water temperature. The pool thermometer has a clear LCD screen that can display the time for 12/24 hours. You can select the desired temperature unit by the "C/F" button. The wireless pool thermometer provides you with accurate readings in Fahrenheit and Celsius, supporting maximum and minimum temperature records. Useful accessories The digital pool thermometer is packaged with a rope. The wireless pool thermometer will float on the water, so tying the rope to the thermometer allows you to quickly find the pool thermometer without losing it. High-Grade IPX7 Waterproof This pool thermometer has advanced IPX7 and double-seal waterproof cover. Before putting the digital pool thermometer into the water, tighten the thermometer cover, otherwise water may enter. If you find water mist on the screen of the float tank thermometer cover, unscrew the cover and dry it before use. The wireless floating pool thermometer is small and versatile, perfect for use in swimming pools, hot tubs, aquariums, baby baths, and spas. Whenever you need to check the water temperature, the float tank thermometer is the best choice to ensure the correct temperature. With the pool thermometer, you can know the real-time temperature and swim at the optimal temperature.