Walmart will change over to digital shelf labels

Increased productivity and reduced walking time: A price change that used to take two days to update will now take minutes

Simplified stock replenishment: A “Stock to Light” feature allows an associate to flash an LED light on a shelf tag using a mobile device signaling locations that need attention. The feature makes it easier for associates to identify shelf location when stocking shelves

Faster order picking and fulfillment: A “Pick to Light” feature guides workers directly to products needed for online orders