1. [Fit For Insta360 GO 3] Case Designed for Insta360 GO 3 action camera. Ideal for diving, snorkeling and other underwater activities. Can effectively protect your camera from damage or scratches. Sturdy and durable. 2. [40M/131FT underwater clear shooting]With tempered glass lens to protect your action camera lens, HD lens with high light transmission, even underwater 40M/131FT will not damage the shooting effect, clear and realistic. 3. [Easy to use] Case Made of high quality PC material, 306 stainless steel and tempered glass with rubberized waterproof ring inside, Stainless steel key latch, anti-oxidation to prevent seawater corrosion. Suitable for skiing, surfing, diving, swimming, selfie, mountain climbing, skydiving, etc. 4. [Optical Glass]The lens is made of optical imaging toughened glass. After coating AR, the transmittance of the lens is increased to more than 98%. No water drops remain on the lens surface and affect the shooting effect. The waterproof shell can be matched with more equipment and can be quickly installed and removed.