1. Waterproof Case and Dome are Integrated Design, which Prevents the Possibility of Water Leakage 2. Optically ABS Dome Cover Design, Light Tranasmittance up to 93% 3. Dual Handheld Design, which Helps to more Stably Underwater 4. Shutter Trigger Design, which Help to Take Pictures or Videos just by a Finger 5. Waterproof depth up to 45m Super wide field of view, 180Super wide angle, real reduction half water half air picture more clearly, Dome port pushes water away from the lens to as far as 1.97inch(50m) Type: lens cover (with trigger button) for action 1 Color: Black Material: ABS Package Contents: 1 x Diving Housing Case Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.