The Ranger is an incredibly effective angle-compensated laser rangefinder intended for both archer and rifle shooting. Using the primary HCD (Horizontal Component Distance) mode, the Ranger provides key angle compensated range information required by the vast majority of rifle and bow shooters in a simple, quick to read display. The Vortex Ranger also provides LOS (Line of Sight) mode and scan feature along with adjustments for reading yards or meters and setting the brightness of the display. Fully multi-coated lenses deliver optimal light transmission and o-rings provide a seal for waterproof performance. Capable of ranging up to 1800 yards, the Ranger 1800 gives hunters and shooters the distance data needed to make accurate shots. The Ranger 1800 is sure to be a hit and ensure hits. Vortex Ranger 1800 Laser Rangefinder RRF-181