koolehaoda Laptop Notebook Pallet Projector Tray Holder with Arca-Swiss Interface for 1/4" to 3/8" Screw Tripod Stand Ballhead Mount, 22 lbs Capacity with Vented Cooling Platform Stand

Solid Construction - Tray made of solid all-metal construction, with non-slip straps is designed to keep your monitor safe and secure at all times.
Dimension: 15.4 x 11 x 0.5 inch/39 x 28 x 1.3 cm. Fits laptop/notebook up to 17, Load 22lbs.
Compatibility -The bottom of the tray has a 38mm Arcac-Swiss interface with all Arca Swiss clamp ballhad quick release adapters. and a 1/4 and 3/8 female screw for all tripod install; Easy to install and remove.
Edge Barrier - To securely keep the laptop in place and prevent the laptop from sliding and falling, even if tilted forward. Extra ventilation holes significantly improve airflow to keep your laptop device cool.
Widely Use - Sleek modern design compliments any mount and desk while adding extra desk space for storage. Perfect for offices, classrooms, lecture halls, meeting rooms, outdoor or your own home.
Ergonomics - The Big Tray Holder is made to hold the laptop and projector on a tripod, helpful in providing an ergonomic workstation for your laptop to reduce neck and eye stress. (Tripod stand not included)