Features: 10X42 binoculars Full Multilayer coating Optics: Multilayer coatings increase light transmission and image brightness without distortion, providing high-definition and sharp imaging Sturdy and anti-skid: sturdy and durable body, odorless rubber armor, shockproof and anti-skid grip A wide range of uses: The telescope is suitable for indoor and outdoor activities such as concerts, mountaineering, hiking, driving, wildlife and scenery viewing IPX7 waterproof: IPX7 waterproof construction – specially designed waterproof construction, even on rainy days can be seen clearly and unimpeded Three advantages: BAK4 prism + FMC + 42mm objective lens. BAK4 prisms make images brighter and more transparent, with no dark edges FMC high transparent green film: FMC green film, bright and transparent, high degree of reduction, clear and sharp imaging, can effectively reduce eye fatigue