This Flat Dark Earth Kestrel 5700 Elite Weather Meter with Applied Ballistics and LiNK features the enhanced applied ballistics G1/G7 solver with aerodynamic jump, spin drift, drop scale factoring, and coriolis corrections as well as muzzle velocity truing, choice of solution unites (Mils, MOA, or clicks), and a rugged, waterproof construction. The Sportsman also offers full environmental units, including storage and charting capabilities, wind speed, direction, crosswind, temperature, humidity, pressure, and altitude. LiNK technology provides wireless communication to mobile devices and computers. Kestrel Elite Weather Meter with Applied Ballistics with LiNK Flat Dark Earth 0857ALFDE