For Insta360 ACE Protective Cover 60 Meter Dive Case Waterproof Housing Waterproof Depth: Withstand pressures up to 60 meters underwater, making it suitable for various water activities Dual Cold Shoe Mounts: The case features two cold shoe mounts for external accessories like fill lights and microphones High Transparency: Optical tempered glass lens provides excellent light transmission, nearly 100% transparency, ensuring clear and bright footage Enhanced Hardness: Surface hardening (AS) treatment increases the product's hardness, reducing the impact of scratches and collisions on the lens Anti-Reflection Coating: Coated with anti-reflective (AR) coating, effectively reducing reflections and diffusions, improving transparency, image clarity, and reducing light loss Slim Design: Ultra-thin and lightweight design for easy portability. Durability: Rigorous testing ensures the optical tempered glass lens's durability, allowing prolonged use without loss of effectiveness Multi-functionality: Besides protection, the optical tempered glass lens also offers dust, fingerprint, and scratch resistance, keeping the lens clean and clear Specifications: Shell Material: PC + Optical Tempered Glass Lens Waterproof Depth: 60 meters Button Material: Aluminum Alloy Spring Material: 304 Stainless Steel Waterproof Ring Material: Amorphous High-Activity Silicone Main Body and Back Cover Connection Axis Material: High Hardness 304 Stainless Steel Product Application: Suitable for skiing, surfing, diving, swimming, selfies, mountain climbing, parachuting, and more