Vortex Optics Viper HD 3000 Laser RangefinderThe Viper HD 3000 laser rangefinder gives you the tools to act quickly and confidently, with a 3,000 yard max range and a stunning HD optical system that lets you pinpoint big game faster at distance. Four target modes (Normal, First, Last, ELR) and two ranging modes (LOS, HCD) mean you get the flexibility to range any shot on any hunt, making the Viper HD 3000 perfect for the treestand and the mountains. HD Optical System Optimized with select glass