[Accurate Reading] - The pool thermometer has a clear LCD display screen, with optional 12/24 hour time display, providing accurate readings in Fahrenheit and Celsius. The temperature detection range of the water tank sensor is -40℃~+70℃ (-40℉~158℉), and the temperature detection range of the indoor host is -9.9℃~+50℃ (14.2℉~122℉). Record the MIN and MAX temperature values. [Wireless Connection] - Wireless range: 433MHz/100m. The WiFi wireless pool thermometer is connected in one direction, allowing you to check the temperature reading using the receiver without leaving the room. Temperature error of ±1℃, transmission distance of 60 meters. [Pool Thermometer] - A floating pool thermometer can float on the water surface and measure the water temperature 100 meters above the water and 60 meters below the water. The measurement data is transmitted to the station by radio, so it can be read on the base station or on the transmitter itself. [Versatility] - The practical wireless