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La Crosse Technology WS-2811BRN-IT Professional Weather Center with Solar Wind Sensor

Professional display can hold up to 3000 weather data sets
Indoor and outdoor temperature and humidity
1272 relative air pressure historical graph
Solar wireless wind sensor
Works with firmware 332 and 333 Will not work as a replacement with other firmware Firmware number can be found by putting batteries in the display number will flash in the lower left corner