The 2.9-inch Black/White/Red/Yellow Electronic Shelf Label (ESL) is a high-contrast, quad-color e-paper display designed for retail, warehousing, and smart labeling systems. Featuring E Ink technology, this display supports four colors — black, white, red, and yellow — enabling more expressive and attention-grabbing communication compared to traditional ESLs.
Key Features:
Quad-Color E-paper Display: Displays black, white, red, and yellow, allowing for color-coded labels that easily differentiate pricing, promotions, warnings, or inventory statuses.
Enhanced Visibility: Excellent readability under natural or bright light thanks to reflective display technology with >170° viewing angle.
Compact and Functional: The 2.9" screen is well-suited for small and medium-sized products, offering enough space for prices, barcodes, product names, and icons.
Ultra-Low Power Consumption: E-paper technology consumes power only when updating, enabling multi-year operation on a single battery.
Wireless Update Options: Can be connected via 2.4GHz RF, BLE, or NFC, ensuring flexible deployment and centralized content management.
Applications:
Retail & Supermarkets: Shelf-edge pricing, promotional labels, clearance tags
Warehouse & Logistics: Bin location tags, stock level indicators, pick list displays
Healthcare & Pharmacies: Color-coded medication or patient labeling
Smart Offices & Buildings: Locker tags, desk signs, equipment labels
Product Dimensions (mm) | 91.39 x 41.99 x 12.3 |
Case Color | Black, White |
Display Color | Black/White/Red/Yellow |
Display Area (mm) | 66.9 x 29.06 |
Display Resolution (Pixel) | 296 x 128 |
DPI | 112 |
NFC | Support (Optional) |
Multiple Pages | Support 8 pages |
LED | Red, Green, Blue, three primary colors, Support 7 colors |
Operating Temperature | 0°- 40°C |
Ambient Humidity | 45% - 70%RH |
Battery Type | Button Battery |
Battery Life | >5 years |
Waterproofing Level | IP54 |
Certification | CE, RoHS, FCC, MIC |
Communication Frequency Band | 2.400-2.480 GHz, Maximum EIRP ≤ 10mW |
