1. There Is No Touch Screen Back Cover. It Is Difficult To Set Camera Parameters After Installation. You Need To Take Out The Camera To Operate. After Installing The Touch Screen Back Cover, You Can Still Operate The Camera Without Taking Out The Camera Even After The Camera Is Installed. 2. The Optical Design Wraps The Lens And Increases The Protection Of The Waterproof Lens, Making It Easier To Focus And Restore The Clarity Of The Bare Metal Lens. 3. Heavy Sealing, Factory Pressure Test 4. Why Should We Use An Anti-Fog Insert? In Diving, Swimming, Skiing, Surfing And Mountaineering, Etc., Sports Cameras Use Waterproof Cases. There Is A Temperature Difference Between The Inside And Outside, And Aerosol Is Easy To Form Inside The Waterproof Case, So An Anti-Fog Insert Is Needed. Film To Absorb Foggy Water Vapor To Prevent The Lens From Being Blocked By Fog. (You Can Use It Repeatedly After Drying It!) 5. There Is No Touch Screen Back Cover. To Operate The Camera Parameters, You Need To Open The Waterproof Shell. If You Are Diving Or Swimming, The Operation Is Troublesome. Too Much Operation May Cause The Waterproof Shell To Fog Up When Water Enters, Making The Shooting Unclear. 1. Applicable Models: for Gopro Max 2. Material: PC +316 stainless steel + tempered glass 3. Type: for Gopro Max Waterproof Case colour: As Shown Package Contents: 1 Set Of Camera Waterproof Case (Including Screw Base And Anti-Fog Insert) 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. 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.