User-selectable 12- or 24-hour time format. Calendar display in day, month and year. Shows day of the week in English, Spanish, German, French, Italian or Dutch. Provides moon phase calendar and historical data for both the last and upcoming 39 days. Altitude adjustment for pressure compensation. Includes software to archive and analyze up to 200 sets of weather history data. Comes with a USB cable to download the data to your PC. Requires Windows® 98 or above and CD-ROM drive. Center includes four AA batteries and a new energy-efficient AC/DC adaptor that uses up to 40% less energy. Both thermo-hygrometer sensors on the Wirless Weather Center include four AA batteries. The anemometer and rain gauge both come with two AA batteries.
Indoor temperature sensor has 14.2° to 140°F (-9.9° to 60°C) range, 0.2°F (0.1°C) resolution and 2°F (1°C) accuracy. Remote temperature sensor has -40° to 176°F (-470° to 80°C) range, 0.2°F (0.1°C) resolution and 2°F (1°C) accuracy. Humidity sensor has 30-80% range, 1% resolution and 5% accuracy. Air pressure sensor has 14.75-32.44 inHG/500-1100 hPa/374.5-823.8mmHg range, 0.003 inHG/0.1 hPa/0.08mmHg resolution and 0.015 inHg/5 hPa/0.3mmHg accuracy. Rainfall sensor has 0-78.73" (0-1999.9mm)(1 hour, 24 hours, yesterday) range, 0.03"/0.1 hPa/0.08mmHg resolution and 0.015 inHg/5 hPa/0.38mmHg accuracy. Wind speed sensor has range of 0 to 199.9 mph, 199.9 km/h, 89.3m/s, 173.7 knots, 0.1 mph (0.16km/h) resolution and 2 mph ± 5% accuracy. Wind direction ranges from 0° to 360°, 22.5° resolution and 11.25° accuracy. RF Reception range is 100-328' (30-100m) and radio frequency is 433 MHz.