The wireless sensor uses a transmission frequency of 433.92 MHz; A host can connect up to 3 wireless sensors at the same time (a host is only equipped with one transmitter, if you want to realize this function, you need to purchase additional sensors); Host temperature measurement range: 0C(14F)~60C(140F); Host humidity measurement range: 10%RH~99%RH; Sensor temperature measurement range: -40C (-40F)~60C (140F); Sensor Humidity Measurement Range: 10%RH~99%RH Large LCD Screen Multifunction Weather StationThe weather station uses a large color LCD screen, all important information is clear at a glance: indoor and outdoor temperature (Celsius and Fahrenheit )/humidity, maximum/minimum temperature and alarms,weather forecast, comfort, time (12/24 hour), calendar, week (seven languages to choose from), daily alarm and snooze function and switching and moon phase. Temperature And Humidity Prediction FunctionCollect real-time data based on outdoor sensors, then track related variables based on the Indoor Outdoor Wireless Sensor, including changes in temperature, humidity and atmospheric pressure, to generate more accurate forecast for your location. Radio Weather Station with 2 Outdoor SensorsThe weather station can display real-time weather from up to 2 wireless sensor channels the same time ; the wireless range of the remote sensor is up to 60m; you can not only put them in a room or basement, but also put them outside.At the same time, the display has a built-in sensor, which you can use to detect temperature data and indoor humidity levels. Two Power ModesThe Hygrometer Thermometer is powered by an adapter (included) or AA batteries (not included). When using the battery, the screen will automatically turn off after approximately 15 seconds to save power. If you use the power adapter, the screen will keep on. At the same time, when you use the battery, the screen will automatically touch the memory mode and automatically save all the content you set. Your Weather Assistant PersonalOur indoor weather station is different from the weather forecast you see on TV or the Internet. Weather forecast products have separate sensors that can collect real-time data outdoors. They are based on weather stations that track specific weather variables, to generate accurate and personalized forecasts for your location. Cut : 172*132*23mm Delivery quantity: One piece