FJ3390A Professional Weather Station Accurate and comprehensive weather tracking Provides precise measurements of temperature, humidity, wind speed, and rainfall to reflect current weather conditions in your area. This multifunctional device helps you stay informed and plan activities accordingly. Userfriendly design with multiple alarm functions Features a clear interface with timedate display, perpetual calendar, and language selection. Supports up to two daily alarms with automatic snooze to ensure you don't miss important events. Warning alerts for extreme conditions Allows upper and lower limits for temperature and humidity, plus an upper limit for wind speed and rainfall. The system delivers warning alerts to help you stay prepared and protect people and property. Versatile display with additional measurements In addition to core metrics, shows somatosensory temperature, wind chill index, thermal index, and dew point temperature. These readings provide deeper insights into comfort and environmental conditions. Reliable wireless transmission and power options Utilizes a multicombination wireless outdoor sensor with a transmission range of 100 meters (300 feet) in open area. Operates from USB power or batteries for flexible deployment and continuous operation.