XShot TELESIN 6" Dome Port for The Gopro Hero3/3+ and Hero4 Underwater Photography Underwater dome port for GoPro HERO3+ & GoPro HERO4 cameras; ideal for snorkeling; not recommended for deep diving Makes it easy to take distortion-free photos under the water or half above and half below Dome made of scratch-resistant acrylic; waterproof casing locks camera securely in place; 2 external buttons for starting/stopping shooting or for changing camera settings while in casing Includes floating handle (with thumb screw and rubberized grip), wrist strap, carabiner, cleaning cloth, wrench, and user manual Dome measures approximately 7.2 by 4 inches; handle measures approximately 1.6 by 6 inches; weighs approximately 0.81 pounds