This digital signage is a sleek advertising signage solution for your retail store, café, car dealership, trade show, and more! This modern A-frame has an Android 7.1 OS and a 4k UHD 43" screen, providing you with a high-quality display for your in-store promotions, menus, product videos, and more. This portable digital sandwich board has a collapsible piston hinge design making it easy to store away and move around. The back of the A-frame unit features two wheels on the base and handles on the top for simple maneuverability around larger spaces like department stores and convention centers. Access your content with ease with USB, HDMI, WiFi, and Bluetooth options, making it easy to access content on a computer, hard drive, or in cloud storage. Instantly improve your picture's or video's exposure, saturation, highlights, and more using the pre-installed DiViEX Slide Show App for an elevated advertising signage experience. This portable design also features casters and rubber foot pads option, keeping the unit firmly in place in high traffic environments. This collapsible digital sandwich board will elevate your store's advertising with impactful multi-media content that will effortlessly grab passerby's attention.