Wireless Indoor Base Station Specifications	Range	Max Resolution	Basic Accuracy
Temperature	-40 to 158°F (-40 to 70°C)	0.1°	±2°F (±1°C)
Relative Humidity	20 to 90%RH	1%RH	±5%RH
Barometer	15.95 to 32.48 inHg	0.01 inHg	±0.12 inHg
	405 to 825 mmHg	0.1 mmHg	±3 mmHg
	540 to 1100 hPa	1hPa	±4 hPa
Dew Point (Calculated)	-40 to 158°F (-40 to 70°C)	0.1°
Weather forecast	Sunny / Clear, slightly Cloudy, Cloudy, Rainy, Rainy / Stormy and Snowy
Radio Controlled Atomic Clock
Synchronization	Auto or disabled
Clock display	HH:MM:SS / Weekday
Hour format	12hr AM/PM or 24hr
Calendar	MM/DD
Languages (weekday)	EN, FR, DE, ES, IT
Time signal	WWVB
Time zones	PST, MST, CST, EST, AST, NST
DST (daylight savings)	AUTO / OFF
Frequency	915 MHz (North American)
Wireless Outdoor Transmitter Specifications	Range	Max Resolution	Basic Accuracy
Temperature	-40 to 176°F (-40 to 80°C)	0.1°	±1.0°F (±0.5°C)
Relative Humidity	1 to 99%RH	1%RH	±3%RH
Wind Speed
m/s (meters per second)	0 to 50m/s	0.1m/s	±6%
km/h (kilometers per hour)	0 to 180km/h	0.1km/h	±6%
MPH (miles per hour)	0 to 112MPH	0.1MPH	±6%
knots (nautical miles per hour)	0 to 97 knots	0.1knots	±6%
Wind Direction	16 points
Weather Index
Wind Chill	-40~158°F (-40~70°C)	0.1°	±1°F (±2°C)
Heat Index	78.8~122°F (26~50°C)	0.1°
Rain Gauge	0 to 393.7'' (0 to 9999mm)	0.0157'' (0.4mm)	±7% or 1 tip (whichever is greater)
Dimensions	Indoor Base Station: 4.7 x 7.5 x 0.9'' (120 x 190 x 22 mm); Outoor Transmitter: 13.5 x 15.5 x 5.5'' (343.5 x 393.5 x 136 mm)
Weight	Indoor Base Station: 13.1 oz. (370g) with batteries; Outoor Transmitter: 23.7 oz. (673g) with batteries