Product Description Merchandising Shelves with Digital Sign and 1080p Resolution Bring your store up to date with the latest advertising technology with these merchandising shelves with digital sign. Complete with full HD 1080p resolution, built-in speakers, and media compatibility, this is a true retail display solution. The three adjustable shelves with digital sign can be placed at any height to accommodate a variety of products. Built-in media player technology allows you to plug in a USB, mini HDMI, or SD card and start playing! Each retail display features a 21.5” screen that can be seen from a distance for maximum exposure. Use these shelves with digital sign to create an advertising solution to promote your products right in store. 21.5” Screen Full HD 1080p Resolution 3 Adjustable MDF Shelves Built-in Media Player 73.25″h Silver Aluminum Construction