New Professional weather forecast,Wireless Weather Station with PC connection

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Features: 1) USB port for easy connection to your PC 2) All the weather data from the base station and weather history data with user adjustable measuring intervals can be recorded and uploaded to your PC 3) Free PC software for transfer weather data to PC 4) Rainfall data(inches or millimeters): 1-hour, 24-hour,one week, one month and total since last reset. 5) Wind chill and Dew point temperature display (°F or °C) 6) Records min.and max. wind chill and Dew point with time and date stamp 7) Wind speed(mph, m/s, km/h, knots, Beaufort) 8) Wind direction display with LCD compass 9) Weather forecast tendency  10) Weather alarm modes for: a)Temperature b) Humidity c) Wind chill d) Dew point e) Rainfall f) Wind speed g) Air pressure h) Storm warning 11) Forecast icons based on changing barometric pressure 12) Barometric pressure (inHg or hPa) with 0.1hPa resolution 13) Wireless outdoor and indoor humidity (% RH) 14) Records min.and max. humidity with time and date stamp 15) Wireless outdoor and indoor temperature (° for °C) 16) Records min.and max. temperature with time and date stamp 17) 12 or 24-hour time display 18) Perpetual calendar 19) Time zone setting 20) Time alarm 21) High light LED backlight 22) Wall hanging or free standing 23) Synchronized instant reception 24) Low power consumption (over 2 years battery life for transmitter)  Package includes: 1) Receiver 2) Four outdoor sensors: thermo-hydro transmitter, wind speed sensor, wind direction sensor and rain sensor  Specifications: 1) Outdoor temperature range: -40.0°C to +65.0°C (-40°F to +149°F) 2) Indoor temperature range: 0°C to +50.0°C (32°F to +122°F) 3) Humidity range: 10% to 99% (1% resolution) 4) Rain volume display: 0 - 9999mm (show OFL, if outside range) Resolution: 0.3mm (if rain volume < 1000mm) 1mm (if rain volume> 1000mm) 5) Wind speed: 0~100mph (show OFL if outside range) 6) Measuring range air pressure: 27.13inHg- 31.89inHg Resolution: 0.01inHg 7) Alarm duration: 120 sec 8) Transmission range up to 100m (330 feet) 9) Power consumption: a) Receiver: 3 x AA alkaline batteries (not included) b) Sensor: 2 x AA alkaline batteries (not included) 10) Transmission frequency: 433MHz Edited by Lisa Sun