Feature 1. Moving the waterline away from the lens makes it possible to capture images both above and below the water simultaneously. 2. Simplicity of operation, nearly infinite depth of field, wide-angle lens. 3. Waterproof depth up to 30M,Light transmittance is up to 93%. 4. 8 inch Light-weight Floating Hand Grip w/ 1/4 Standard Screw Hole. 5. Super-Comfortable TPE Grip, excellent soft touch, skidproof and labor-saving. 6. Floating in Water/Use in Land 7. Equipped with a shutter trigger button for quick operation 8. 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. 9. Adjustable Wrist Strap provides greater Security of your Action Camera 10.Anti-fog Inserts Preventing your camera housing from fogging. Dry it naturally, reusable. 11.CD Anti-Fingerprint DesignNavigation special 316 stainless steel material,wide the button head,protect your camera