ON SIZE: External dimensions: 28.5 x 20.5 x 4.5 CM (11.2 x 8.07 x 1.77 IN); Internal storage size: 26 x 20.5 CM (10.27 x 8.07 IN); Note the dimensions of the stored items. DURABLE ELECTRONIC HOLDER: TV component shelves made of aircraft aluminum are strong and durable. The smooth black surface is anodized with anti-oxidation properties, no rust, and no fading. It matches various decor styles and can be used in living rooms, bedrooms, game rooms, video rooms, offices, conference rooms, and other spaces. SPACE-SAVING: This electronic stand can comfortably store and organize electronic devices used with your TV, such as routers/projectors/DVD/Blu-Ray players/console/satellite TV box/cable TV box/Freeview box/Sky box, etc. Saves floor space. Cable hole design with protective ring for simple cable management and organization. EASY INSTALLATION: Wall-mounted TV box holder offers two installation methods: drilling and no drilling. Refer to the installation instructions in the product manual or description, choose the appropriate method, and use the included installation accessories for a simple setup. SAFETY-DESIGN: The wall-mounted projector holder has a frame structure that increases the load capacity of the floating shelf and prevents items on the shelf from falling accidentally. Name: Floating wall-mounted shelf for electronics Color: Black Model: HN-LY502 Mounting: Wall-mounted Material: Aircraft aluminum Surface: Polished + Anodized