Binoculars 8x42 Waterproof Fully Multi Coated Lens Non Slip Design Bak4 Roof Prism Rugged Construction for Hunting Bird Watching Shooing Outdoor 42mm fully multi coated lens and bak4 roof prism increases light transmission to allow the most light for the best viewing experience 8x magnify distant target;allow you enjoy a different scenery;fit for hunting; shooting;bird watching;hiking;camping;concerts;fishing;outdoor adventure and wild life Medium size;fit well in hands;not too big;bulky or heavy;easy adjust for anyone who try them Rugged construction;waterproof and non slip design;offer a chance to use it in wet conditions Lifetime warranty;we confidently promise lifetime warranty for each one from us