The Halo XL600 rangefinder delivers big on technology and value. Standard features include a water-resistant design, 600-yard range, 6x magnification and scan mode for constant ranging. It's also equipped with AI Technology(TM) to ensure proper angle readings for all types of terrain. Turns out, going back to the basics is anything but basic. Maximum 600 yards to reflective target 6x magnification Angle Intelligence(TM) calculates true horizontal distance to target at any elevation Scan Mode locks in multiple targets at different yardages Precise to +/- 1 yard Water resistant 1-year warranty INCLUDES : CR2 lithium-ion battery Lanyard Lens cloth