Oliasports Outdoor Adjustable Folding Bioncular Camping Mountaining Binocular Day & Night Vision Light-weight and can be folded, very convenient and easy to carry Can be used for both day and night (low-light-level night vision, can't see anything in complete darkness) Ideal for birding, travelling, sightseeing, hunting, observation of sporting activities and concerts, etc Eye span Adjustable, you can adjust the best distance between the lens for your eyes, and you also can share it with your friend who has the different eye span from you