Electronic shelf label
An electronic shelf label (ESL) system is used by retailers for displaying product pricing on shelves. Typically, electronic display modules are attached to the front edge of retail shelving. These modules use liquid-crystal display (LCD) or similar screen technologies to show the current product price to the customer. A communication network allows the price display to be automatically updated whenever a product price is changed. This communication network can be based on radio, infrared or even visible light communication. Automated ESL systems reduces pricing management labor costs and improves pricing accuracy although a number of merchants disagree with this statement. When accounting for the integration cost/time and also for the cost of the required hardware, all this added to the cost of having the technical staff of an organization trained on the subject matter to efficiently troubleshoot potential technical issues, the amount of money saved compared to when using regular labels is minimal, even void in some situations. A merchant may have to use this type of labeling system for many years in order to actually see a drop in the cost of managing shelf and/or items labeling.