BAK-4 ROOF PRISM SYSTEM 10x42 Compact Binoculars. 10X high power magnified image, much brighter view with 42MM wide-angle objective lenses.335-foot field of large wide views at 1000 yards, designed for hunting, sightseeing, wildlife watching, sporting events, concerts, star gazing etc.Fully Multi-Coated (FMC) objective and eyepiece lenses for sharper, brighter, clearer views. Water resistant & Dust-proof.Durable construction and shock-absorbing rubber armor for maximum protection make them suitable for both adults and kids. Package with a FREE smartphone mount, carrying bag, strap and cleaning cloth. The smartphone mount is compatible with iPhone 4/5/6/6Plus/7/7Plus/8/8Plus/X, Samsung Galaxy S and Note serise, LG, HTC, Sony etc.❤ NON-DELIBERATE DAMAGE LIFETIME WARRANTY, 30 Day Money Back Guarantee.