AcuRite^® Iris 5-in-1 Weather Station

5-in-1 Weather Station with Wi-Fi display – Temperature Range: 32°F to 122°F; 0°C to 50°C. Temperature Accuracy: +/- 2°F. Humidity Range: 1% to 99% RH. Data Reporting: Indoor temperature and humidity, 60 second updates. Power: 5V power adapter (included), 3 AAA alkaline (for backup; optional; not included). Wi-Fi: 802.11.b/g/n. Weather Underground connectivity requires an active 2.4 GHz broadband internet connection and an active Weather Underground account. Dimensions: 5.5˝H x 7.6˝W x 0.6˝D 5-in-1 Weather Sensor – Temperature Range: -40°F to 158°F; -40°C to 70°C. Temperature Accuracy: +/- 2°F. Humidity Range: 1% to 99% Relative Humidity. Humidity Accuracy: +/- 5% from 1% to 10% Relative Humidity; +/- 4% from 10% to 20% Relative Humidity; +/- 3% from 20% to 80% Relative Humidity; +/- 4% from 80% to 90% Relative Humidity; +/- 5% from 90% to 100% Relative Humidity. Wind Speed: 0 to 99 mph; 0 to 159 kph. Wind Speed Accuracy: +/-2 mph below 10 mph; +/- 3 mph from 10 to 30 mph; +/- 4 mph from 30 to 50 mph; +/- 5 mph from 50 to 99 mph. Wind Direction Indicators: 16 points. Rainfall Capacity: 0.01 inches (0.25 mm) and up. Rain Gauge Accuracy: +/- 0.05˝ per inch of rainfall. Wireless Range: 330 feet/100m depending on home construction materials. Wireless Signal: 433 MHz. Power: 4 AA alkaline or lithium* batteries. *Lithium batteries recommended for temperatures below -4°F/-20°C. Data Reporting: Wind Speed, 18 second updates; Wind Direction, 36 second updates; Temperature and Humidity, 36 second updates. Dimensions: 10.8˝H x 5.6˝W x 13.8˝D.