Vortex Impact 4000 Ballistic Rail-Mounted Laser Rangefinder

Features Picatinny Mount Mounts to any picatinny-style rail or rings with a diving board mount. Quick and Reliable Zero Easy to zero and reliably holds it zero even under heavy recoil. Convenient Wind/Drop Solutions Easy to read display of wind/drop solutions and the ability to make adjustments while in the shooting position. Integrated GeoBallistics® Solver Equipped with the accurate GeoBallistics® Solver backed by a full, up-to-date bullet library. Customize Ballistic Profiles Customize profiles or use one of the ten preloaded profiles for popular cartridges. On-Board Environmental Sensors On-board compass and exposed temperature, pressure, and humidity sensors. Wind Bearing Capture Mode Manually enter speed and direction with patented Wind Bearing Capture Mode. Built-in Range Card Generator Ability to create and save up to ten range cards with drop and wind corrections. Connect with Vortex Relay™ Seemlessly connect to the GeoBallistics® App for quick customizati