WEAK LIGHT VISION - Design of Aspherical lenses and multi-layer coating guarantee excellent light transmission and well improve image brightness, contrast and quality. It can be used at night, but not in complete darkness. Suitable for concerts, opera, sightseeing and astronomical viewing.PROFESSIONAL POWERFUL BINOCULARS - Designed with 12X power magnification, 25mm large objective lens and large field of view good for fast moving subject, are ideal for bird watching, hunting, driving, sports events.HD SUPEROR OPTICS - Best 25mm fully multi-layer coatings green film objective lens and 16mm blue film eyepiece, Large smart BAK-4 prism, guarantee the key elements of an optical device, make your view brighter, clearer and deliver crisp images.DURABLE, SOLID AND ANTI-SLIP GRIP - Durable structure with odorless rubber armor for shock-resistance and Anti-slip grip, making it not only in decent appearance of more wear-resistant and moisture-proof, but also perfect for outdoor activities such as climbing, hiking, travelling, watching wildlife and scenery.EASY TO FOCUS - Corrective optical coating are good for color fidelity and minimize distortion. Diopter System adjusting the imbalance vision of both eyes. The smooth and large center focus knob makes it simple to operate and easy to focus.