Features: Large Field of View:90x90 magnification, 10X magnification, lens material BAK4, clearer and larger field of view. FMClens multi-layer broadband coating, green coating, can be clearer when viewing. The non slip design can make it not easy to slip off when holding the binoculars with one hand or both hands, and has more friction. Suitable for scenes: concert, outdoor sports, competitions, bird watching, travel adventures, exploration, skiing, hunting, etc. Tight fitting protections can withstand the toughest weather conditions-prevents moisture, dust, and debris from getting inside the binocular telescope. Specifications: Material:ABS Multiplication: 10X Apertures of objective lens: 20mm for objective lens, 36mm for objective lens Sight distance: 4M-380000 kilometers Telescope size: 18cm/7.08''x15cm/5.91'' Waterproof grade: Outdoor waterproof against rainwater Package Includes: 1x Binoculars note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.