【Upgrade Level: Waterproof level: IPX7; The wireless pool thermometer is made of high quality materials and durable, which improves waterproof performance, prevents the LCD screen from fogging during use and extends its service life. < p>【Multifunction】: The multifunctional wireless pool thermometer brings much convenience to your life. The wireless pool thermometer includes time, indoor temperature, pool temperature and MAX/MIN temperature recording. 【Read Ready】 ;cise】: With clear LCD screen; Optional 12/24 hour time display; Optional indoor and outdoor temperature display ℃/℉; With the built-in sensitive contact probe, the water temperature can be detected quickly and accurately. Temperature measurement range (pool thermometer): -40℃~+70℃（-40℉~158℉）; Temperature measurement range (indoor receiver): -40℃~+70℃（-40℉~158℉）. Supports MAX/MIN temperature recording. 【Wireless connection】: The real-time temperature of the water at your location where the sensor is located and the real-time