Like New in box Maximum range of 4000 yards • Premium HD optical systen • Ultra bright technology • All-weather capable • Magnesium alloy chassis The Vortex® Razor® HD 4000 Rangefinder is the essential companion for the extreme hunter, archer and shooter. The extremely effective, angle-compensated laser rangefinder features four targeting modes for any ranging environment: Extended Laser Range (ELR) mode, Normal mode, First mode, and Last mode. The primary HCD (Horizontal Component Distance) range mode provides key angle compensated range information required by the vast majority of shooters in a simple, quick to read display. The Razor HD 4000 also has a LOS (Line of Sight) range mode and scan feature.