19"  23" 24" 28" 37" 43" The shelf edge wide LCD Display is an attractive Shelf Edge Display well suited for a variety of in store, on shelf digital signage applications such as retail shelf edge pricing, retail shelf edge advertising and multi-shelf digital signage in supermarkets, grocery stores, liquor stores, clothing stores and other retail applications. Such smart shelf system is end to end digital retail TFT shelf edge display solution perfect for retail POS applications, and it can turn your shop into a modern retail business to enhance customers’ shopping experience.