Radio controlled time/date (can be set manually)
Hour, minute, and weekday displayed.
Current moon phase (eight phases).
Displays: temperature, humidity, barometric pressure, wind, rainfall, dew point, wind chill, and heat index data.
Rotary dial controls for easy console navigation.
Indoor temperature (ºF or ºC), humidity, and barometric pressure. Can also display indoor dew point.
Wireless outdoor temperature (ºF or ºC) and humidity. Can also display outdoor dew point or wind chill or heat index.
Display data from any one to up to ten possible wireless outdoor temperature and humidity sensors.
Minimum and maximum values for all measurements since last reset, including time and date of occurrence.
Displays three levels of temperature and humidity trends: rising, steady, or falling
Current barometric pressure (mb/hPa, inHg, mmHg)
Pressure trend indicator (rising or falling).
Bar graph shows 24-hour data history of barometric pressure, rainfall, or UV index (UV sensor not included).
Optional altitude compensation setting from -328 feet to +8200 feet (-100m to +2500m).
Weather forecast icons (sunny, partly cloudy, cloudy, rain or snow).
12-24 hour weather forecast within a 20 to 30 mile radius.
Comfort indicator for indoor/outdoor temp and humidity.
Wireless self-emptying rain gauge tracking rainfall rate (inch/hr or mm/hr), amount for last 24 hours, and total since last reset (inch or mm).
Wireless wind-gauge tracking wind speed, wind gust, and wind direction (km/h, m/s, mph, or knots).
Customizable weather alarms: Dual time alarm.
12 or 24 hour time mode.
Daylight Savings Time on/off
HiGlo™ EL (ElectroLuminescent) backlight
Main display unit powered by AC adapter and battery backup
Includes rain gauge, anemometer, outdoor thermo-hygrometer, and indoor barometer and thermometer-hygrometer (in base console)
Three-section all-in-one sensor pole (5 foot total length)
PC compatible (Windows 32-bit operating system)
USB cable for data transfer to PC included
Free PC software download from OSI web site

Indoor Temperature range: 32 to 122°F (0 to 50°C)
Indoor Temperature accuracy: from 0 to 40°C is ±1°C (2°F); from 40 to 50°C is ±2°C (4°F)
Outdoor Temperature range: –58 to 158°F (-50 to 70°C)
Outdoor Temperature accuracy: from -20 to 0°C is ±2°C (4°F); from 0 to 40°C is ±1°C (2°F); from 40 to 50°C is ±2°C (4°F); from 50 to 60°C is ±3°C (6°F)
Temperature resolution: 0.2°F (0.1°C)
Humidity range: 2% to 98%
Humidity resolution: 1%
Humidity accuracy: from 25 to 40% is ±7%; from 40 to 80% is ±5%; from 80 to 90% is ±7%
Dew point range (indoor): 32 to 122°F (0 to 50°C)
Dew point range: (outdoor): –58 to 158°F (-50 to 70°C)
Dew point resolution: 0.2°F (0.1°C)
Wind chill / heat index range: –58 to 158°F (-50 to 70°C)
Wind chill / heat index resolution: 0.2°F (0.1°C)
Barometric air pressure range: 20.67 to 31.01 inHg(700 to 1050 mb)
Air pressure resolution: 0.03 inHg (1 mb)
Air pressure accuracy: ±10 mb/hPa
Temperature/humidity/pressure measurement interval: 60 seconds
Wind speed range: 0 to 125 mph (0 to 56 m/s)
Wind speed resolution: 1 mph (0.45 m/s)
Wind speed accuracy: 10%
Wind direction range: 0° to 359°(Degrees)
Wind direction graphical resolution: 22.5°
Wind speed/direction measurement interval: 14 seconds
Rainfall range: 0 to 393.7 in (0 to 9999 mm)
Rainfall rate: 0 to 393.7 in/hr (0 to 9999 mm/hr)
Rainfall range resolution: 0.04 in (1 mm)
Rainfall rate resolution: 0.04 in/hr (1 mm/hr)
Rainfall measurement: 0.01 inches per tip of bucket
Rainfall range accuracy: <15 mm is ±1mm
Rainfall rate accuracy: 15 to 9999 mm/hr is ±7%
Rainfall measurement interval: 60 seconds
Power requirements (base): AC Adapter with 4 AA Alkaline batteries for backup
Power requirements (outdoor sensors):
Wind/Temp/Humidity Sensor - 4 AA Alkaline batteries
Rain gauge - 2 AA Alkaline batteries
Battery life: approximately 2 months
Transmission frequency band: 433 MHz
Transmission range: up to 330 feet open air

The PC sofware that we bundle with the weather station gives you a professional weather display on your home automation computer. It also interfaces to your home automation control software to allow all your weather sensors to initiate events in your home automation system.