Quad-Color Display (Black/White/Red/Yellow): Offers color-coded messaging for promotions, warnings, discounts, or stock levels — enabling better visual hierarchy than monochrome or tri-color displays.

Compact Yet Clear: The 2.13-inch screen size strikes a balance between compact form factor and space for essential data like price, barcode, SKU, and icons.

Ultra-Low Power Consumption: Draws power only when updating content; supports up to 10 years of battery life.

High Readability: E-paper surface provides excellent clarity and sunlight readability, with a wide viewing angle (>170°) for versatile placement.

Wireless Communication: Supports 2.4GHz RF, BLE, or NFC for seamless remote updates via gateway or handheld terminals.