Built-in rubber ring - waterproof and anti-foggingDouble-sided multi-layer coating-high definition imagingThick glass - protection upgradeTransparent imaging - no dark corners when shootingEquipped with a disassembly and assembly wrench knob for more reliable installationUse the same fixing method as the original lens, use the matching wrench, unscrew the original protective lens, and then screw to install the Amai filter. The waterproof, anti-fog, and anti-fall performance can be guaranteed to extent.Product parametersProduct Name: For Insta360 Ace Pro / Ace Waterproof FilterCompatible products:For Insta360 Ace Pro / AceMaterial:ABS+glassDimensions:35.3 35.3 7.2 (mm)Weight: 8g Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.