[APPLICABLE]The Case for ONE X2. perfect for diving, surfing, snorkeling and other water sports activities. It has wonderful water-resistant characteristics. [WATERPROOF] this waterproof housing case for ONE X2, you can take your ONE X2 action camera up to 40M (131ft) underwater. [LENS MATERIAL]underwater diving shell for ONE X2 is adopts Using optical imaging tempered glass, the light transmittance of the lens is more than 98%, the is clear, the surface of the lens is smooth and flat, and the is not distorted. [PROTECTIVE]You can avoid the water drops will ruin your footage. Without the housing I do not recommend rubbing X2 lens, especially in the ocean where the sea water and sand can scratch it. Material:Silica colour:transparent Package Contents: 1 x case for ONE X2 1 x Chinese and English manual Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.