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Description: The Weather Monitor II is one incredible package. Glance at the display to see wind direction and win speed on the compass rose. Check the barometric trend arrow to see if pressure is rising, falling, or steady. Read inside or outside temperature, wind chill, or inside humidity on the display. Want more? Add the optional Rain Collector, External Temperature/Humidity Sensor, and WeatherLink, and you'll have a powerful computer weather station with all our most-requested features. Backlit display for easy viewing.