Horen Binoculars 30 x 60 Zoom Outdoor Travel Folding Binoculars Telescope for Bird Watching Camping Hiking+Case This adjustable binocular is ideal for outdoor sport, camping, bird watching, etc. The smart design makes it easy to carry and rapid to focus. Central adjusting knob assists to rapid regulate vision definition Red membrane fully coated optics for increased brightness Comes with a black carry bag and clean cloth Natural rubber material prevents it to slip or shake