For Sony A7II A7R II A7S II [ILCE-7M2/7RM2/7SM2] 130FT/40M Underwater camera diving waterproof housing [IPX8*] Shutter release button has improved designed which makes it easier to focus when pressing it half way. Before inserting your camera into underwater housing, switch off your VIEWFINDER setting to LCD/MONITOR only. This underwater housing comes with 3mm neoprene cover that is used for protecting it during transportation, bumping to other objects in fresh water tank, avoiding direct sunlight, keeping UW housing temperature stable whether it is hot or cold outside. When it is hot, this cover will prevent your housing from overheating. If you are using R or S model of A7 II camera, please pay attention to description! Package Includes: Underwater housing, Neoprene housing cover, Spare O-ring, Cleaning cloth, Wrist strap, Shoulder Strap, Silicone grease 1 packet, User manual.