Features: Works with all current smartphones on the market with or without a case Adjustable clamp height between 2.3 - 4 inches / 58mm - 105mm Uses industry standard 1/4" - 20 mounts Lets you rotate your phone vertically (Portrait) and horizontally (Landscape) Guides located on the back to assist with horizontal or vertical positioning Smartphone holder is detachable from rotation riser Smartphone holder has two mounting locations Specification Mobile phone clip size: 58mm- 105mm Maximum weight: 1 kg weight:72.5g Interface: International standard screws 1/4 Material : plastic Package included: 2 x Action Pro Tripod Adapter