brand new and high quality Features: Dual Handheld Grip Design: Keep your hands off the camera and allows you to record videos more stable, great for diving, snorkeling, surfing and other underwater activities. Excellent Above and Under Water Shooting Effect: Allows you to shooting 50%/50% both above and below water simultaneously, 180 super wide-Angle lens allows you to photo more realistic images. 45m/147ft Waterproof: Waterproof depth is up to 45m/147ft, waterproof for case and dome are integrated all in one design, which prevents the possibility of water leakage. Optical acrylic dome cover design, with high light transmittance, and the light transmittance is up to 93%. Enlarged Trigger Button: Enlarged operate button design makes it easily to shooting, it is long enough so that it's convenience to press any for time. Compatibility: Dual handed handheld integrated dome port is specially designed for OSMO action camera underwater diving photography. Specifications: Main Material: ABS+Acrylic Size: Approx. 8.55x9.7x1.5 for cm/3.37x3.82x0.59 inch Waterproof: up to 45m/147ft Note: Please allow 1-2cm errors due to manual measurement,pls make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Includes: 1x Dual Handheld Dome Port