Compatibility: Designed For 360 Dual Lens Edition ( To R 4k Edition/One 360 Camera), , Tight Sealing, Protect Your R Action Camera For Extreme Sports, Such As Surfing, Diving, Snorkeling, Skiing, Rafting, Skydiving Riding, Etc. Waterproof: This Waterproof Shell Has An Upgraded Version Of Waterproof Sealing Ring And Tight Buckle. Protect Your Action Camera Up To 30m Underwater. High Light Transmission Tempered Glass: The Waterproof Shell Lens Is Made Of Ultra-Thick Pc Material, With High Light Transmittance, Suitable For Clear Underwater . Anti-Scratch High Light Transmission Shell: The Waterproof Shell Is Made Of Highly Transparent Pc Material, Which Not Only Allows You To See Hd Pictures Underwater, Also Prevents Scratches In The Ocean Where Seawater And Sand May Be Scratched. Using Anti-Fog Inlays Will Help Prevent Excessive Moisture Formation On The Lens And Inside The Underwater Housing When In Cold Or Wet Environments. Product Name: for Insta360oners Dual-Lens Panoramic Waterproof Case Model: Transparent Waterproof Case Waterproof Depth: 30 Meters The Main Body And The Back Cover Connect Shaft Material: High Hardness 304 Stainless Steel Colour:As Shown Material:PC+aluminum stainless steel+silicone Size:8.2 x 8 x 4.4cm Package Contents: 1 x Waterproof Case 1 x Base 1 x Screw Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.