【Upgrade】: Wireless pool thermometer is made of high-quality and durable materials, which improves waterproof performance, prevents the LCD screen from fogging during use and extends its service life. 【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 record. 【Accurate Reading】: Time display: 12/24H optional The real-time temperature of the water area where the sensor is located and the real-time temperature of the room where the host is located can be displayed on the same screen. Supports recording the highest and lowest temperatures of the day. Indoor and outdoor temperature display: ℃/℉ optional. Indoor host temperature detection range: -9.9℃~+50℃ (14.2℉~122℉). Pool sensor temperature detection range: -40℃~+70℃ (-40℉~158℉). 【Wireless Connection】: The real-time water temperature where the sensor is located and the real-time room