Speedtech Skymate Wind Meter SM 18 is a convenient pocket-knife design handheld wind meter featuring accuracy, features, and price to create the best value in handheld wind meters! It is water resistant, it floats, and it has a high visibility case. Speedtech Skymate Windmeter SM 18 FEATURES: Average wind speed over 5, 10, or 13 seconds - Current temp & wind chill - Choose any measurement unit - Reads in tenths - Replaceable 400 hour lithium battery - Data lock - Replaceable plastic impeller won't corrode - Easy to read LCD Display - Tripod mount compatible - Unique pocket-knife design to protect unit when not in use - Water resistant to 3 ft.- Floats. SPECIFICATIONS: ACCURACY +/- 3% when aligned with wind's axis - WIND RANGE: .5-89 MPH - TEMPERATURE RANGE: 5 - 122 F (-15 to 50 C) - OPTIONAL UNITS: Knots, MPH, KPH, M/Sec, Ft/Min, Beaufort Scale - F or C - OPERATING MODES: Current Windspeed Average over 2 seconds - Average Wind 5,10, or 13 sec - Max Wind 2 sec gust since power on - AUTO SHUTDOWN After 20 minutes. Includes CR2032 Lithium battery (approx 400 hours of use). DIMENSIONS: 4.8" x 1.8" x .7" WEIGHT: 2.3 ounces with case. 1 Year Warranty. Usually ships in 1-5 Business Days.

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