Feature: 1. WATERPROOF UP TO 40 METERS: The solid back cover for GO3S provides professional grade waterproofing, pressure resistance, and protection against leaks, ideal for activities like swimming, diving, and surfing for underwater photography. 2. ROBUST EXTERIOR SHELL: Designed to effectively protect your device in complex underwater environments, the use of 304 stainless steel for buttons ensures precise alignment and a noticeable tactile feel. 3. HIGH DEFINITION LENS: Featuring a high transparency lens made of toughened glass, capturing clear and vibrant images with the waterproof case while retaining the integrity of the captured scenes. 4. BUILT IN SPONGE STRIP: The sealing gasket prevents leaks and water ingress, tightening with increasing water pressure. The built n sponge strip stabilizes and protects the screen from damage due to external pressure. 5. FLOATING BAR FILTER COMPATIBILITY: You can pair it with a buoyancy bar to apply (not included) for effortless underwater selfies and also available with filters (not included) to enhance image quality for higher photo output rates. Specification: Item Type: Diving Protective Shell Product Material: PC + Optical Tempered Glass + Stainless Steel Waterproof Depth: 40m Applicable Module: For GO3S . Package List: 1 x Action Camera Waterproof Case