The wide range of phone holder is 58mm-100mm(2.28-3.9inch), compatible with smart phones of various size ( XS Max XR Se 8 7 6 6s Plus Galaxy S9 S8 S7 S6 ). Just adjust the height of the clamp to get the right fit for your phone. Back screw easy control the cell phone tripod adapter , which support Horizontal and vertical mode make it perfect for any angle requirement. Non-slip rubber and tilt angle protect phone very well so will not damage the cell phone. The adjustable clamp has screw secure on the top make install much easier. Features: Works with all current smartphones on the market with or without a case Adjustable clamp height between 58mm - 100mm Uses industry standard 1/4 inch - 20 mounts Lets you rotate your phone vertically (Portrait) and horizontally (Landscape) Guides located on the back to assist with horizontal or vertical positioning colour:Black Material:ABS+metal Package Contents: 1 x Phone Rotating clamp Only the above package content, other products are not included. Note: Light 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.