Key benefits Wideangle optics provide an ultraclear wide field of view through advanced optical technology, enhancing underwater awareness and immersion. Wearresistant tempered glass lens protects against scratches and pressure, maintaining clear vision while exploring underwater depths. Ergonomic adjustable buckle system offers easy, secure to fit different head shapes snugly and comfortably for extended dives. Specifications and attributes Lens material: tempered glass with wear resistance for durable, clear vision under water Function: wideangle view, scratch and pressure resistance, adjustable fit for comfort Performance: reliable optics and secure fit during prolonged underwater use Use scenarios Snorkeling along reefs and in lagoons to scan for wildlife and navigate around rocks and coral Openwater scuba diving or training where a broad field of view helps monitor surroundings and potential hazards Underwater exploration or observation in clear water, such as reef or wreck exploration, where a wide view aids tracking and navigation