This Coyote Brown Kestrel Sportsman Weather Meter with Applied Ballistics features the enhanced applied ballistics G1/G7 solver with aerodynamic jump, spin drift, and coriolis corrections, muzzle velocity truing, choice of solution unites (Mils, MOA, or clicks), and a rugged, waterproof construction. It also offers the LiNK feature that allows this unit to communicate via bluetooth with smart phones and other capable technology. The Sportsman also offers full environmental units, including storage and charting capabilities, wind speed, direction, crosswind, temperature, humidity, pressure, and altitude. Kestrel Sportsman Coyote Brown Weather Meter with Applied Ballistics with LiNK 0857SLBRN