Wireless Weather Forecast Station Indoor Outdoor Temperature Humidity Wind Speed Direction Rain Gauge Light Intensity UV Testing Item Type: Weather Forecast Station Material: ABS Weight: Approx. 1900.00g / 67.02oz Outdoor Data: Transmission Distance: Approx. 100m / 328ft Frequency: 433 868 915MHz (915MHz for North America) Temperature Range: -40°C-60°C (-40°F-140°F) Accuracy: +/-1°C (2°F) Resolution: 0.1°C (0.1°F) Relative Humidity Range: 10%-99% Accuracy: +/-5% Rainfall Display: 0-9999mm (Display --- If Out Of Range) Accuracy: +/-10% Rainfall Measurement: 0.3 mm (If Rainfall < 1000 mm), 1 mm (If Rainfall > 1000 mm) Wind Speed: 0-50m/s (0-110mph) (If Out Of Range, Display Shows ---) Accuracy: ±1 m/s (Wind Speed < 5 m/s), +10% (Wind Speed > 5 m/s) UV Index Range: 0-15 index Light: 0-200k Lx Accuracy: +/-15% Outdoor Sensor Measurement Interval: 16s Indoor Data: Pressure Temperature Measurement Interval: 48s Indoor Temperature Range: 0°C-50°C (32°F-122°F) (Displays --- If Outdoor Temperature Range) Resolution: 0.1°C Measurement Range for Relative Humidity: 10%-99% Resolution: 1% Air Pressure Range: 300-1100hPa (8.85-32.5inHg) Accuracy: +/-3hPa at 700-1100hPa Resolution: 0.1hPa (0.01inHg) Alarm Duration: 120s Transmission Power: -2.64dBm Display Battery: 3 x AA Dry Batteries (Batteries Not Included) Sensor Battery: 2 x AA Dry Batteries (Batteries Not Included)