Product Description Digital Sign Merchandising Shelves with 21.5” Non-Touch Screen Entice customers with digital sign merchandising shelves featuring a 21.5″ full HD non-touch screen. Upgrade store fixtures with displays including dynamic and vibrant messaging. Built-in audio speakers bring the plug-n-play digital sign shelves to life. Customize the height of the 3 adjustable surfaces to suit your retail rack needs. Using the included USB, SD, or min-HDMI ports, upload multimedia files to complement products on display. Intrigue customers with a store fixture showcasing visual content and products simultaneously on digital sign shelves. Full HD 21.5” Non-Touch Display Plug-n-Play Multimedia Content Using USB, SD, or Mini-HDMI Ports 3 Adjustable MDF & Acrylic Display Surfaces Attach to Aluminum Frame Built-In Audio Speakers for Impactful Messaging Features Clock, Calendar, & Scrolling Subtitle Options