For Insta360 GO 3S Sports Camera aMagisn Waterproof Filter Protective Lens 1. The aluminum alloy frame is reliable and durable, and the laser-engraved text does not fade 2. The edge of the frame adopts a diamond knurling design, which is comfortable to hold and does not slip when installing and removing the lens 3. Built-in rubber ring, waterproof and anti-fogging, no fear of underwater, rain, humidity, low temperature and other environments 4. Imaging-grade optical glass ensures high-definition image quality, hard and scratch-resistant, waterproof and oil-proof 5. Double-sided multi-layer coating reduces light reflection before the lens, and the image quality is better Parameters: 1. Compatible products: suitable for Insta360 GO 3S 2. Material: aluminum alloy + silicone + glass 3. Size: diameter 19.0 × 4.7 mm 4. Weight: 1gpiece Note: The product only has filters, not other