Dimensions:

Receiver: 8.75" x 4" x 1.5"
Thermo/Hygro Sensor: 8.75" x 4" x 1.5"
Wind Sensor: 8.75" x 4" x 1.5"

All Features:

Wind Chill, Gust, and Speed Forecast w/ Tendency
IN/OUT Temp
IN/OUT Humidity
Moon Phase
Weather forecasting function with 3 weather icons and weather tendency indicator
Wireless outdoor temperature (°F or °C)
Wireless outdoor humidity (%RH)
Monitors indoor temperature (°F or °C)
Monitors indoor humidity (%RH)
Records MIN/MAX temperature with time and date of recording
Records MIN/MAX humidity with time and date of recording
Barometric tendency arrow
Dew point (°F or °C)
Records MIN/MAX dew point with time and date or recording
Indoor comfort level icon
Moon phase
Records MAX wind speed and gust with time and date of recording Wind chill (°F or °C)
Records MIN/MAX wind chill with time and date of recording
Wind speed (mph, km/h, or m/s)
Records Max wind speed with time and date of recording
Manual reset of outdoor temperature/humidity, pressure, and windchill data
Atomic time and date with manual setting
Automatically updates for Daylight Saving Time (on/off option)
12/24 hour time display
Time alarm with adjustable snooze
Time zone setting
Wall hanging or free standing


Specifications:

Wind speed range : 0 to 111.8 mph, also Beaufort scale
Wind chill range : -21.8°F to 157.8°F
Dew point range: -21.8°F to 157.8°F
Outdoor humidity range : 1 to 99%
Indoor humidity range : 1 to 99%
Outdoor temperature range : -21.8°F to 157.8°F
Indoor temperature range : 14.2°F to 139.8°F
Adjustable snooze from 5 minutes to 30 minutes (in 5 minute increments)
Transmission frequency : 433.92 MHz
Transmission range : up to 300 Feet
Swiss Precision Sensor

Power Requirements:

Receiver: 3 "AA" Alkaline batteries
Temperature sensor : 2 "AA" Alkaline batteries
Wind sensor is powered by the temperature sensor