Made of cold-rolled steel plate and reinforced with a metal plate. The tray holder is designed to securely hold a laptop or projector on a tripod, simplifying presentation setup and providing an optimal display effect. Features a female screw adapter with a 1/4-inch conversion screw adapter for compatibility with most tripods. Easy to install and remove. Equipped with non-slip pads and straps for stability. Simple to operate and easy to clean. Ideal for use with projectors, monitors, laptops, and other equipment. Suitable for offices, classrooms, lecture halls, meeting rooms, or home use. Projector tray holder only; other accessories shown in images are not included. Specifications: Item Type: Projector Tray Holder Size: 28 x 22 cm Quantity: 1 Piece Color: Black Material: Metal Package Contents: 1 x Projector Tray Holder Note: No retail packaging included. Due to manual measurement, please allow 0-1 cm error. Due to differences in monitor displays, the actual color of the item may vary slightly from the images. Light reflection and screen settings may cause slight color differences. Measurement error allowed: +/- 1-3 cm.