Professional Optics Professional High resolution wide angle lens with premium configuration of a 16.5mm wide angle prism lens. It has 12x high magnification and professional 42mm wide angle lens, you can get 305FT / 1000YDS wide angle field of view. You can use the binoculars in low light, but not in complete darkness.HD Vision The compact binoculars have large, high quality BAK-4 prisms. Aspherical lens design and multi-layer coating ensure excellent light transmission and greatly improve brightness, contrast and picture quality. Even at night, you will still have a great experience designed for outdoor activities.Easy to operate The binoculars come with a free adjustable phone holder which is compatible with all smartphones. The center focus ring and diopter adjustment make it easy to focus on the target, which is perfect for bird watching, sporting events, concerts and other activities.Portable and Practical The Binoculars can be taken with you, you can hang them around your neck. The sealed design is waterproof and anti-fog. The rubber casing is non-slip and very durable, it is impact resistant and has a good grip. It can withstand light water but cannot be submerged in water for long periods of time.