This LaCrosse Professional Weather Station has a wide range of measurements including wind speed and direction, rainfall, outside temperature and humidity.  Indoor receiver measures 8.9" x 6" x 1.25", for wall mount or desktop.

• Time display (manual setting)
• 12/24 hour time display
• Calendar display (weekday, date, month, year)
• Time alarm function
• Weather forecasting function with 3 weather icons and weather tendency indicator
• Wireless outdoor temperature (°F or °C)
• Wireless outdoor humidity (%RH)
• Records MIN/MAX temperature and humidity with time and date of recording
• Low/High outdoor temperature and humidity alarm
• Relative air pressure (inHg or hPa)
• Barometric pressure with 12 hour history graph (in inHg or hPa)
• LCD contrast selectable
• Low battery indicator
• Wind direction displayed in 16 steps
• Wind speed ( mph, km/h or m/s, and Beaufort scale)
• Wind chill ( ° F or ° C)
• MAX wind speed with time & date of recording
• High alarm function for wind speed
• Manual reset of outdoor temperature/ humidity, pressure and windchill data
• Total rainfall (inches or millimeters)
• Storm warning alarm
• Buzzer on/ off selectable
• Storage of 200 sets of history weather data recorded in 3-hour intervals
• Wireless transmission at 915 MHz
• Transmission range up to 330 feet (100 meters)

• Wind Chill, Direction and Speed Rain Data Forecast with Tendency OUT, Temp OUT, Humidity, Weather Alarms, and Storm Warning
• Wind Speed Range: 0 to 111.8 mph (0 to 207 km/h)
• Wind Chill Range: -39.8°F to 139.8°F ( -39.8°C to 59.9°C)
• Outdoor Humidity Range: 1% to 99% (%RH)
• Outdoor Temperature Range: -39.8°F to 139.8°F ( -39.8°C to 59.9°C)
• Transmission Range: Up to 330 feet (100 meters)
• Power requirements:
• Receiver: 3 “AA” Alkaline Batteries
• Thermo-Hygro Sensor: 2 “AA” Alkaline Batteries
• Wind Sensor & Rain Gauge: Powered by Thermo-Hygro SensorSpecifications