, Waterproof, dust-proof, all-weather binoculars suitable for outdoor use even under severe conditions such as watersports and mountaineering. , Nitrogen gas inside the binocular eliminates fogging and mold on internal lens surfaces even under extremely severe condition, such as rainstorms and high humidity. , Internal rangefinder scale and directional compass with illumination switch indicate the distance or size of the object being viewed and its orientation , Hi-index BAK4 prism features a bright, sharp image with vivid contrast to offer you every little detail of an object. , USCAMEL provides global after-sales service and high-quality products. If there is any dissatisfaction, there will be a 100% refund, guaranteed. This is your high-quality choice, and we look forward to your experience!