15m diving shell waterproof protection Added vent hole, more sensitive.discharged from the diving case, making phone screen closer to front cover, enhancing touch sensitivity. Equipped with HD PET protective film. 15 - meter + 1 - hour waterproof mode. Shellbox diving protective case has reliable waterproof ability, supporting underwater camera use up to 15 meters for 1 - hour snorkeling shooting. Larger windows, accommodate more models. Fits mobile phones under 6.8 inches (54 * 78 * 8mm). Bracket interface. Mounting bracket (purchased separately) enables easier shooting. Structural features: PC front cover for strong protection; PET screen protector for clear display; waterproof sealing ring to prevent seawater infiltration; capture button for one - click shooting; zinc alloy buckle, corrosion - resistant and firm; HD tempering glass for clearer pictures; airport to resist diving pressure; complimentary lanyard to prevent falling. Provided with case opener, helping unlock the case easily. Material: TPE + PC + glass + zinc alloy Diving depth: 15m Diving duration: 1 hour Size: 195 * 106 * 44mm Weight: 341g.