• Double-sided Multi-layer Scratch-proof Coating: Reduce the light reflection between lens, thus displaying higher resolution and generating higher quality images
• Advanced Imaging Optical Glass Guarantees Superior Resolution and Hardness: Scratch-resistant, water and greasy dirt proof SRL level glass guarantees solidness and high-definition display
• Waterproof and Anti-fogging: The rubber ring inside the filter can effectively isolate the water droplets or vapor, giving you a carefree using experience in whatever negative environment, like underwater, in the rain, low temperature, wet, and other negative environments
• Much More Solid Aluminum Alloy Frame: The aluminum alloy frame case is reliable and durable allowing for character laser engraving
• Compatible with Official Original Lens Guard: The ND filter can be seamlessly adapted to the original accessories as the outlook and size it is consistent with the official lens guard. No need to worry about the compatibility

Specifications:

• Product Name: Waterproof Filter for Insta360 GO 3/GO 2 
• Material: Aluminum Alloy+Silicone+Optical Glass
• Dimensions: φ19.0 x 4.7 (mm³)
• Weight: 1g