Ambient Weather WS-1000-WiFi OBSERVER Solar Powered Wireless WiFi Weather Station with Internet Publishing The Ambient Weather OBSERVER weather station combines reliability, easy installation and dual wireless technology. The OBSERVER transmits 915MHz from the outdoor sensor array and indoor temperature sensor to the display console. The display console sends and receives internet data using WiFi connectivity (optional). The OBSERVER transmits outdoor temperature, humidity, wind speed, wind direction, rainfall, and solar radiation from the all-in-one sensor array. The OBSERVER also transmits indoor temperature, humidity and barometric pressure from the indoor temperature sensor. You also get dew point and rainfall rate, and a graph provides detailed trends for barometer, temperature and humidity from the bright, color display. The menu based multi-screen display includes NIST internet time server synchronization, imperial and metric units of measure, high and low alarm conditions with audible alert, calibration of all major parameters, real-time internet weather publishing by Wunderground.com (optional), and encrypted WiFi transmission. The OBSERVER also displays minimum and maximum conditions with time and date stamp, historical archived data, which can be exported to SD Card (not included) for advanced data analysis in Excel, and detailed time graphs for spotting weather trends.