GH3, GH4 DSLR Underwater Waterproof Camera Housing by Ikelite 6860.03 200 ft (60m) depth rating All important camera functions are accessible Controls are not provided for Diopter Adjustment Control, Rear Control Dial, or Mode Dial Lock (GH4 only). Mode Dial must be un-locked prior to installation for use underwater (GH4 only). Ikelite bulkhead connector with built-in TTL circuitry Slightly negative buoyancy in fresh water, a compatible port is required for waterproof operation of this housing (lens port not included) Includes: Housing, Tray with dual quick release handles, Port hole cover, Waterproof bulkhead cap, 5509.27 Universal zoom set up to 2.8 in diameter, 5509.28 Universal zoom set 2.8 to 3.3 in diameter, Silicone lubricant 1cc tube, Micro-fiber lens cloth.