How to Use: Drilling installation method: 1. Clean wall dust and water stains 2. Select a suitable installation position and sign the punching position 3. Punch holes at the marked positions 4. Put the expansion nail into the hole 5. Fix the rack with screws to complete the installation Specification: Item Type: TV Box Shelf Material: Space Aluminum Configuration: Double layer double hole Color: Black Product Size: Approx. 28 x 26 x 21 cm / 11 x 10.2 x 8.3 in Height Between Double Layers: Approx. 6cm / 2.4in Mounting Type: Wall Mount Room Type: Bedroom hall hotel meeting room Style: Floating Wall Mount Requires Assembly: Yes Weight: Approx. 852g / 30.1oz Package List: 1 x TV Box Shelf 2 Pack x Accessory Kit 2 x Black Iron Sheet 4 x White Rubber Ring 4 x Screw Note: Installation Precautions: 1. Hole free installation is suitable for wall installation of wood, smoothed tiles, concave convex tiles, mosaic tiles, glass, marble, etc. 2. Punching wall, cement wall, wallpaper wall, painted wal, plaster wall, cannot be installed without punching holes, please choose punching installation.