Ranked #1 by Practical Sailor & Powerboats Report
New Skymaster Weathermeter gives you advanced weather information in a convenient pocket-knife design, that will fit in the palm of your hand! With countless features, this unit is a great value.

 Speedtech weather and wind meters give you the weather data you need, on the spot, wherever you are. These compact wind/weather meters offer advanced weather information in a convenient design that fits in the palm of your hand. 

Temp w/ Windchill  

Heat Index Relative Humidity w/ Dewpoint Barometric Pressure 

16-Hr History Bar Graph Storm Audio Alarm Altitude 

Pocket-knife design 

Replaceable 400 hour battery 

Replaceable plastic impeller Comes with lanyard Threaded for tripod mounting 

Floats Water resistant to 4" 

Specs ACCURACY: +/- 3% Windspeed; +/- 2 F Temp/Windchill; +/-3% rH; +/- 3F Dew Point; +/- 3F Heat Index; +/-3 hpa Barometric Pressure RANGES: Wind .4-89 MPH; Temp 32 to +122F; Windchill -22 to +158F; Dew Point -31.2 to +155.8F ; Heat Index +69.8 to +155.8F; rH 0-99%; Barometer 400-1100 hpa; Altitude -500 to 9000 feet 

OPTIONAL UNITS: Knots, MPH, KPH, M/Sec, Ft/Min, Beaufort Scale - F or C RESPONSE TIMES: Current Windspeed; Ave. over 2 sec; Ave. Wind 5 sec; Max Wind 2 sec gust; Temp/windchill/rH/dew point 1 min; 15 min sampling Barometer 

POWER: CR2032 Lithium battery (included)

 MEASURES: 5.9 x 2.1 x .85 inches 

WEIGHS: 3.9 oz