This Kestrel is designed to preserve your night vision with the backlight that incorporates an optical filter to reduce overall brightness and minimize blue & green spectrum light.

3-hour Digital pressure altimeter
Barometric pressure can affect bullet trajectory so many hunters & shooters rely on the Kestrel accuracy.
Kestrel 2500 measures -- Current & Average wind speed -- Maximun wind gust -- Wind chill -- Air - Water
Snow temperature -- Barometric pressure -- Altitude
Protective cover with sure-grip overmolding
Data hold function
Large easy-to-read display with backlight
Waterproof -- Floats -- Drop tested
Patented user-replaceable impeller
Quick response -  external thermistor
High precision pressure sensor
Reliable - Portable - Easy to use
All instruments and accessories are completely assembled in the USA
5-year warranty
Slip-on protective cover
Neck lanyard
CR2032 coin cell battery (Average life 300 hours)
Kestrel Certificate of Conformity
Speed One-button clear and restart of Max Wind Gust and Average Wind measurement
Pressure Trend Continuously updating three-hour barometric pressure trend indicator: rising rapidly, rising, steady, falling, falling rapidly
Display Reflective 4 digit LCD - Digit height 0.36 in - Display Update 1 second

Display Backlight - Aviation green electroluminescent backlight
Clock / Calendar Real-time hours/minutes clock
Operational Temperature Range
(LCD and Batteries) The operational temperature range of the liquid crystal display and batteries is 14° F to 131° F / -10 °C to 55 °C. Beyond the limits of the operational temperature range, the unit must be maintained within range and exposed for minimum time necessary to take reading.
Storage Temperature -22 °F to 140 °F / -30 °C to 60 °C
Auto Shutdown After 45 minutes of no key presses
Certifications CE certified. Individually tested to NIST-traceable standards (written certificate of tests available at additional charge)
Drop-tested (MIL.STD.810F; unit only. Substantial impact may damage replaceable impeller.)
Size 4.8" x 1.7" x .7" -- Weighs 2.3 ounces
 

Kestrel Meters are designed &manufactured at NK’s facility in Boothwyn, Pennsylvania, and are individually calibrated at the time of manufacture. Every Kestrel Meter comes with a Certificate of Conformity to document the unit’s accuracy—all Kestrel measurements are traceable to the National Institute of Standards and Technology, ensuring the highest level of reliability. Additional NIST Calibration and Certification services are available.