4.2-Inch 4-Color Electronic Shelf Label Manufacturer with ESLs OEM Support
- Black, White, Red and Yellow ePaper Display
- Resolution 400× 300 & PPI 119 Screen
- BLE 5.1 and NFC-Ready Design
- Long Battery Life for Low-Maintenance Use
- Reliable Hardware Support& OEM for ESL Partners
With 120M+ annual ePaper display module shipments, SEEKINK provides reliable OEM manufacturing and hardware engineering support for ESL brands, solution providers, system integrators, and business partners. We help customers develop reliable electronic shelf label products and bring them to market faster.
Why Is Dynamic Omni-Channel Retail Broken Without Digital Price Tags? | |||||
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 | 4.2-Inch Four-Color ePaper ESL ModuleBuilt with a 4.2-inch ePaper display, this e-ink ESL module supports the presentation of black, white, red, and yellow content, featuring ultra-low power consumption and a paper-like readability. It can be applied to shelf labels, warehouse identification, inventory labels, seat cards, and other display-based applications where long battery life and clear visibility are required. | ||||
Why Partner with SEEKINK for ESL OEM Manufacturing? | |||||
 | Strategic Partnership with E Ink CorporationSEEKINK has built a strategic partnership with E Ink Corporation, a globally recognized leader in ePaper technology. This cooperation helps ESL brands, solution providers, system integrators, and more business partners develop more reliable electronic shelf label products with stable material support, consistent display performance, and better market adaptability. With support from the E Ink technology ecosystem, SEEKINK can provide B2B customers with stronger technical backing in areas such as price tag e-ink module integration, optical performance coordination, low-power hardware design, structural adaptation, production testing, and mass-production delivery. | ||||
From ePaper Module to OEM Manufacturing SupportSEEKINK manufactures core ePaper electronic shelf label modules in-house and extends its support from module-level engineering to ESL OEM manufacturing. Our capability is not limited to label assembly. We help customers transform ePaper display technology into reliable, market-ready electronic shelf labels through module integration, R&D support, and production coordination. This allows ESL brands and solution providers to focus on their own software platforms, customer channels, and market development, while SEEKINK provides the hardware and manufacturing foundation behind the scenes. | | ||||
 | Flexible OEM CustomizationSEEKINK can offer an ESL OEM solution to encompass wide temperature tolerance, UV protection, waterproof, and withstand the daily impact of stock replenishment. From ePaper glass to mounting details, SEEKINK helps coordinate the label hardware as an integrated OEM product, improving durability and reducing potential field issues. Meanwhile, the standard communication methods, software platforms, and system workflows are defined by our customer or a partner solution provider. | ||||
Over 10 Years of Industry Experience & Successful CasesFor ESL companies, product quality is directly connected to market reputation. Display clarity, color stability, battery performance, and long-term reliability all affect how end users experience electronic shelf label products. With rich experience in e-ink modules and e-ink solutions, SEEKINK supports customers with reliable ePaper-based ESL hardware, helping them reduce hardware development risks and build stronger competitiveness in their own markets. |  | ||||
 | A Stronger OEM Partner for Long-Term ESL GrowthChoosing SEEKINK means choosing an ESL OEM manufacturer that combines ePaper module capability, R&D collaboration, manufacturing support, and ecosystem resources. Based on SEEKINK supports B2B customers in developing reliable electronic shelf label products more efficiently and prepares for long-term market growth. | ||||
How to Evaluate SEEKINK’s OEM ESLs Manufacturing Capabilities? | |||||
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From OEM Partner to Your Shelf: The SEEKINK Customization EcosystemSEEKINK provides electronic price tags with OEM service, empowering ESL brands, solution providers, and systems with real-time digital price tags. Discover how our OEM expertise enables reliable and scalable shelf-edge digitalization. | |||||
Take the Specification of T042E5HB Electronic Shelf Label as an example
Display | Size | Color options |
4.2-inch | 4-color (Black, White, Red & Yellow) | |
Display technology | PPI | |
E Ink Spectra 3100 | 119 | |
Resolution | ||
400 x 300 | ||
Hardware | Size | Weight |
| 83 x 41.6 x 12mm mm | 40 g | |
| Color | Indicator light | |
| White | RGB 3-color light | |
| Material |
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| PC+ABS |
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Software | Mobile Operating System | Server Operating System |
Android (Over Version 8.0) | Windows 10, Linux | |
Cloud Server |
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Support |
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| Updating | Refresh Mode 1 | Refresh Mode 2 |
You can transfer photos via Bluetooth from your phone. It’s better to keep the e-ink device and the phone within 10 meters. | You can connect to a Bluetooth base station and the e-ink device first, and control the base station via the computer to transmit images. It’s better to keep the device and the Bluetooth base station within 20 meters. | |
Power | Type | Capacity |
CR2450 x 2 | 1160mAh | |
Connectivity | Bluetooth | NFC |
| BLE5.1 | Support | |
Operating Environment | Storage temperature | Operating temperature |
0℃ ~40℃ | 0℃ ~ 40℃ | |
Humidity |
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45%~70% |
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