Feature: 1. Aquarium Effect: Made with premium organic glass PC plastic, this waterproof port floats on the water surface and offers a perspective with half above and half below the water, recording vivid videos and photos. Push the water surface to 70mm to get clear view. 2. IP68 Waterproof: The integrated design of this dome port includes built in waterproof pads, providing dual protection to your camera and allowing for depth of up to 30m in underwater recording. 3. Selfie Mode: Equipped with a front hole and an arched handle, taking selfies is easier than ever. Provide you with a flexible way to take selfie underwater. 4. 180 Degrees Wide Angle: Realistically reproduces the footage recorded by your action camera, without any dark corners or vignetting at the edges. 5. 95% Light Transmittance: Made of premium organic glass with high light transmittance, ensuring optimal recording results with every use. Specification: Item Type: Dome port Material: Glass, PC, plastic Weight: Approx. 757g / 26.7oz Waterproof: IP68 30m / 98.4ft Fitment: Fit for Osmo Action 4 3. Package List: 1 x Lens Cover1 x Clean Cloth1 x Floating Bar1 x Trigger1 x Manual6 x Anti Fog Sheet1 x Lanyard1 x Screw Rod