Application: Fits Laptop/Notebook up to 17, monitor up to 27 and supports weight up to 22lbs per arm. The mounting plate(75x75mm and 100x100mm) is detachable and height adjustable Multiple Adjustment: The high-grade arms extend, retract and are easily adjustable on a 16 height pole, providing +/-90° tilt and swivel, and 360° rotate from landscape to portrait mode. Laptop tray can tilt 15° only Special Design: This monitor stand allows using laptop and monitor at the same time without switching screens. The venting holes on laptop tray can prevent your laptop from overheating. Installation Flexibility: The two-stage locking system applied to 4 C-clamp and 2.2 Grommet Base. Tray with a 14 x 11 inch (L x W) shelf and 0.6 inch protruding bottom lip can effectively hold your laptop in place during use Package Includes: WALI Single Monitor Desk Mount with Laptop Tray (Black) x 1, Mounting Hardware Kit, User Manual, experienced and friendly US based customer support available to