Multi-Color ESL (Multi-Color Electronic Shelf Labels) are advanced E-Ink digital shelf tags featuring multi-tone electrophoretic display, compared with conventional black-white ESL. Besides black and white base colors, an additional highlight color is available for marking promotions, discounts, special offers, price reduction tags and warning information. Equipped with low-power wide-temperature panels, wireless communication modules and long-life batteries. Content can be remotely updated in real time via ESL gateway and management platform. Visible under ambient light without backlight. Widely used in supermarkets, fresh food stores, pharmacies, convenience stores and retail chains to strengthen visual marketing and price guidance.