【Waterproof Design】: Specifically engineered for underwater photography, featuring robust waterproof performances for use in aquatic conditions without compromising image 【Effortless Installation】: Featuring a simple clip-on design, can be quick swapped to enhances efficiency 【Scratch-Resistant Coating】: With anti-scratch coating for added protections, extending the service life 【Lightweight Construction】: Crafted from lightweighted, these minimise camera burden while maintaining portability for active photography scenarios 【Aluminum alloy and acrylic 】: Crafted from Aluminum alloy + acrylic ensuring clear and durability, effectively reducing scratches and damage while guaranteeing high light transmission