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The Kestrel Tracker is the next generation of weather monitoring. The Kestrel NV units are olive drab with a visible red backlight, which helps sustain the user's natural night vision. Military personnel and pilots flying in darkness are often concerend with preserving their night vision. It takes 30 to 45 minutes for the average eye to adapt to darkness and maximize night vision. Even a short burst of white, yellow, green or blue light ?bleaches out? the rod cell photoreceptors in the eye and causes night blindness until the entire adaptation process can take place again. Light in the red spectrum does not cause this ?bleaching out?, preventing night blindness and night vision fatigue. The units' red backlight is also much dimmer than a standard backlight, making it more difficult to detect with the naked eye in night operations.

You can now measure EVERY major environmental condition, easily and accurately, right in the palm of your hand. The chart mode allows users to recall and graph up to 250 measurements, along with the date and time of storage. Barometric Pressure, Altitude, Density Altitude, Temperature, Humidity, Wind Speed, Wind Chill, Dew Point, Wet Bulb, and Heat Index... all in one pocket sized instrument. We back every Kestrel product that we sell with our 100% money back guarantee. If you have any questions please call us TOLL FREE (866)688-6912. 

Measures:
- Current, maximum and average wind speeds
- Air, water & snow temperature
- Wind chill
- Relative humidity
- Dewpoint
- Heat stress index
- Barometric pressure
- Altitude
- Density altitude
- Wet bulb temperature
- Graph and recall trends
- Easy to read, backlit display with RED BACKLIGHT
- Time and date
- Customize screens to display user-selected measurements
- Flip-top impeller cover allows use of other functions while protecting the impeller
- Automatically store measurements, even when the unit is turned off
- Manually store measurements with the press of a button
- Chart up to 250 measurements
- Impeller can be replaced without tools
- Exterior temperature, humidity, and pressure sensors for fast and accurate readings
- Includes neck and wrist lanyards, protective pouch and 2 AAA batteries
- Waterproof and floats
- 2-year warranty
- Actual size: 4.8" x 1.7" x 0.6 " (size w/out case)
- Assembled in the USA

Know Your Conditions:
- Measure environmental conditions quickly and accurately
- Wide range of wind speeds and low startup speed
- Reliable, portable and easy to use

Quality by Design:
- All instruments and accessories are completely assembled in the USA
- Patented user-replaceable impeller
- Innovative design for stability and accuracy in abrupt condition changes
- Quick response, external thermistor
- Thermally adjusted humidity sensor
- Ultralight impeller is mounted in jewel bearings for precision and startup speed
- Impeller is shock-mounted in a glass-reinforced plastic housing

Please allow 7-10 business days for delivery