The present invention is directed to video display units that are specifically configured for mounting to a retail shelf, such as to display product information, brand information, retailor information or combinations thereof. The shelf-mountable video display unit is configured to be manufactured in few pieces and using low-cost components and materials, thereby providing a product has significant economic advantages over conventional digital signage. The shelf-mountable video display unit is also configured such that it is easily reusable and repurposable. For instance, the present shelf-mountable video display unit may be easily adapted and customized to provide for the marketing of various products and brands throughout its lifetime. The shelf-mountable video display unit is also specifically configured to withstand the stresses of the retail environment.