The Nikon Forestry Pro Laser Rangefinder/Hypsometer is made to not only measure distance but also height, vertical separation, horizontal distance and angle. This waterproof and fogproof rangefinder is perfect for taking inventory of a forest stand and allows quick tree height measurements with HYPER READ and Tru-Target™ Priority System. Whether you are a private or public forester, a landowner wanting to obtain more information about the trees on there property, a forest ecologist, or just a curious person that wants a rangefinder that allows for height measurements than the Nikon Forestry Pro is the tool you need. Nikon Laser Forestry Pro Rangefinder/Hypsometer 8381