Electronic Shelf Labels to quickly change prices | Displaydata - Leaders in electronic shelf labels Digital price tag ESLs with the clearest, brightest, sharpest, and most color-consistent available. Easy to scale and fast to roll out. Leading ESL deployments with the world’s largest retailers. With Displaydata’s Electronic Shelf Labels (ESLs) retailers can quickly change prices, promotions and inventory data on every shelf-edge across every store, in seconds.