Time display: 12/24H optional The real-time temperature of the water area where the sensor is located and the real-time indoor temperature of the host computer can be displayed on the same screen. Support recording the highest and lowest temperatures of the day. Indoor and outdoor temperature display: ℃/℉ optional. Host indoor temperature detection range: -9.9℃~+50℃ (14.2℉~122℉). Swimming pool sensor temperature detection range: -40℃~+70℃ (-40℉~158℉). The temperature error is ±1 °C and the transmission distance is 60 meters. Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be some color differences, please refer to the actual item received.