Emarth Qanliiy 10x25 Dual Focus Binocular, Waterproof Fogproof Roof Prism System, Mini Lightweight Compact Design, for Hunting Traveling and Bird Watching, Optics 342ft/1000yds Black Mini portable lightweight compact design binoculars with waterproof/fogproof Roof Prism system Dual Focus-Right Eyepiece focus and middle lens focus make it easy to sharpen your view BK4 prism and multi-coated green film optics for superior resolution and image clarity 4-5000m distance, 10x magnification, 25mm objective diameter, 10mm eye relief Reliable and friendly customer service within a 24 hour time frame. 30-Day money back guarantee, 12-month Warranty and Lifetime Support Guarantee.