The Vortex Viper HD 3000 Laser Rangefinder preforms in open country or in tall timber, delivering the precision and speed demanded by big game hunters. The Viper HD 3000 laser rangefinder gives you the tools to act quickly and confidently, with a stunning HD optical system that lets you pinpoint big game faster at long distances. The Viper 3000 HD features four target modes, two ranging modes, red OLED display and is tripod adaptable.FeaturesHD optical systemPerforms in open country or tall timberDelivers precision and speedNormal, first, last and ELR target modesLOS and HCD ranging modesPerfect for the treestand or mountainsTripod adaptableRed OLED displayRanges deer up to 2,000 yardsRanges trees up to 2,300 yards IncludesSoft carry caseWrist lanyardBungee cord lanyardLens clothUtility clip2.5mm hex wrenchHook & loop harness attachmentCR123 battery