Pre-loaded Ruger Rifles & Match Grade Bullet Library available in the free Kestrel LiNK Ballistics app for quick and easy setup Storage for 30 Gun Profiles that are capable of being set up with any kind of rifle or bullet combination Muzzle Velocity Calibration Guide allows for accurate measurement of bullet speed without a chronograph to improve accuracy Environmental Capture measures and adjusts for actual conditions wherever you are and automatically updates the ballistic solution - eliminating the need to re-zero when moving to a different altitude Mobile Device Management Kestrel LiNK Ballistics app is available for iOS & Android and provides convenient gun management and backup Get the world's most complete ballistics calculator – Custom designed for a Ruger Enthusiast. This Ruger Kestrel 5700 Elite comes with a library of pre-measured Ruger rifles and commonly available match-grade ammunition along with the Applied Ballistics "science of accuracy" built-in! Get accurate measurements of wind and air density to deliver elevation and windage solutions for unprecedented accuracy on extended long-range shots. The Ruger Kestrel 5700 Elite Ballistics Weather Meter works with your factory Ruger rifle to give you the confidence to shoot further, in the wind, at any altitude, right out of the box. Buy the Ruger Kestrel 5700 Elite with LiNK and get the power of the free Kestrel LiNK Ballistics app with an exclusive Ruger rifle library. Build and manage your gun/bullet profiles and download them to your Kestrel 5700 Elite before you set out. Choose from the extensive Litz library of custom bullet drag models for the most precise transonic and subsonic range solutions available anywhere. LiNK-enabled units can also be wirelessly paired with LiNK-compatible laser rangefinders to seamlessly integrate target data into the ballistic solution for unparalleled speed and accuracy. In addition to the ballistics solver capabilities, the Ruger Kestrel 5700 Elite is a comprehensive weather meter for measurement and logging of primary environmental conditions, including wind speed and direction, temperature, humidity, heat index, pressure, and altitude. Your data log can be transferred to an iOS/Android device wirelessly with the LiNK wireless communication and the Kestrel LiNK app or to a Windows/Mac device with either the wireless USB Kestrel LiNK Dongle or waterproof USB Data Transfer Cable (Both sold separately).