Specification: Water Resistance Level: IPX4. Viewing Distance: 5m-2500 m(in good weather). Type: Binoculars. Prism Description: BAK4. Objective Lens Diameter: 25mm. Material: Plastic. Magnification: 10x. Lens Coating Description: FMC. Focus Type: CENTRAL. Field of View: 112m/1000m. Feature: Long range powerful binoculars. Eyepiece diameter: 16mm. Feature: POWERFUL BINOCULARS - 10X high magnification and 25mm big objective lens and wide field of view, 336ft/1000yds. Long eye relief with all-optical glass 15mm large eyepiece increases comfort and sharpens vision by allowing you to hold the binoculars away from your face. It is suitable for hunting, watching bird and anything at far distance, travel, sightseeing, concert etc. EASY FOCUSING AND DURABLE WATERPROOF - Adjust by Smooth central focusing wheel and diopter adjustment ring on the right eyepiece.The surface rubber of the binoculars is ergonomically designed. Made of ABS plastic, and nonslip rubber armor is made for secure grip, shockproof, light water resistant. (you can not throw it into deep water, it is not completely waterproof. But you can use it in rainy days). COMPACT AND LIGHTWEIGHT - The folding binoculars are compact and lightweight enough to throw in your bag or backpack and hold with one hand to be used whenever you need it. Accompanying neck strap makes it convenient and easy to carry around you. The pocket size binoculars is not only suitable for men and women,but also suitable for kids. Clear and Brilliant Vision -  Bak-4 roof prism and Fully Multi-Coated green film optics can be allows excellent light transmission and color fidelity. In addition, they reduce chromatic aberration and offer a clear, sharp and vivid image with bright colors. FMC lens coating -  High light transmittance,effectively reduce the refractive index of the light,and the image is clear,sharp and transparent Large Field of View - 10X high power magnification with 25mm objective lens, you can enjoy a large field of view(6.2°) of 336 feet diameter at1000 yards in the distance. It can works well at low light condition. Adjustable interpupillary distance -  The unique rotatable eye cup design, whether you wear glasses or not, suitable for adults and children binoculars. Package include: 1 *Binocular Telescope. 1 *Carry Bag. 1 *Cleaning Cloth. 1 *Neck Strap. 1 *Retail box. 1 * User Manual (English)