. The waterproof case protects Osmo Action at depths as far down as 60 meters allowing you to enjoy underwater adventures worry-free. Heat dissipation grilles effectively prevent Osmo Action from overheating & fogging up when shooting underwater. A high-strength glass ensures a clear display. What's in the box?. 1 x Osmo Action Waterproof Case 1 x Osmo Action Locking Screw 1 x Osmo Action Quick-Release Base. Speciications. Size 46.4 × 70.9 × 76.4mm Weight 92.1 g..