Simmons Laser Rangefinders recalibrate with every shot, giving you hair-splitting +/- 1-yard accuracy. It features an in-view LCD that provides the exact distance to your target from 5-600 yards with the tap of a single button. With 4x magnification and bright, crystal-clear optics it brings you nose to nose with your next trophy. The efficient, compact, and weather-resistant design provides an unparalleled advantage that"s easy to carry.