Color Red Film Material Rubber Waterproof Level Waterproof Eye Relief 11 Millimeters Binocular Prism Description Roof Prism Focus Type Center Focus Item Weight 190 Grams Field of View 7.2 degrees Mini design: these binoculars are a best choice for a gift. it is mini and very convenient to carry .Our premium wide view binoculars with true 30x60 viewing Focal Length Adjustment: Easy adjustment and fast focusing with the focus wheel, quickly adjust the focal length. Adjustable eye width, makes this optical binoculars telescope suitable for adults and children, a good choice especially for children. Surprise Them They'll Love Easy to Carry: Can be folded up very small to slip easily into a pocket or bag and then comes in its own stuff sack. It's compact and lightweight, and the carrying strap makes these binoculars easy to carry Safety Material: Natural rubber prevents it from slipping or shaking. Fully coated optics for increased brightness, super light transmittance, suitable for day and night viewing in all weathers (it can't see anything in total darkness) Application: This telescope red diaphragm binoculars is a good ideal for campers, hunters, sports enthusiasts and concert tourists, bird watching, walking, boating, hiking, climbing, hunting, fishing , travel, sightseeing and other outdoor recreation. Great for kids watching dolphins, seabirds, animals, etc