Invisible border, tailored. Designed for X3, panoramic will not be shown, and the will be presented completely. Accurate opening, both positive and negative. The protection reserves functional holes such as power key, microphone, speaker, etc., which can receive sound without damage, and support quick installation of front and back. Equipped with lens protection cover, double protection and safe storage. The angle can be adjusted to meet different requirements. 1/4 standard adapter, which can be used with tripod, extension rod, backpack clip, car suction cup, bicycle clip, etc. : Plastic colour: Black Package Contents: 1 x Lens Cap 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.