Fitting Osmo Action seamlessly, the camera frame protects the device and offers universal mounts for extra accessories. Raised buttons ensure smooth operation, a window for the LED indicator to show camera status in real time, and two holes provide quick drainage when using in water. Attach and detach the quick-release base easily with a single hand to add accessories and expand shooting options. Features seamless protection, convenient buttons, a window for the LED indicator, convenient drainage, and a quick-release design. When mounting the Quick-Release Base to Osmo Action, rotate the base until the lock pops out to fasten it. Press the lock in to unfasten.