Moving the waterline away from the lens makes it possible to capture images both above and below the water simultaneously Simplicity of operation, nearly infinite depth of field, wide-angle lens Waterproof depth up to 30m, light transmittance is up to 93% Light-weight floating hand grip with 1/4 standard screw hole Super-comfortable TPE grip, excellent soft touch, skid-proof and labor-saving Floating in water/use in land Equipped with a shutter trigger button for quick operation Hand grip can be unscrewed to reveal a hollow compartment that can be used to add water (to achieve neutral buoyancy underwater) or store small items Adjustable wrist strap provides greater security of your action camera Trigger: Easy operation with one hand Anti-fog inserts preventing your camera housing from fogging. Dry it naturally, reusable CD anti-fingerprint design: navigation special 316 stainless steel material, wide the button head, protect your camera Specifications: Applicable model: for GoPro hero 7/6/5 sports camera Material: plexiglass PC plastic