4.2 Inch 400X300 Mcu Spl E Paper Module for Electronic Shelf Label (ESL) DisplaySmart Retail Pricing Solution for Chain StoresUltra‑low power E‑Ink pricing display designed for eyewear chains, superma
Ultra‑low power E‑Ink pricing display designed for eyewear chains, supermarkets and smart retail environments. Teejoin provides OEM / ODM ESL solutions with stable production and global delivery.
Manufacturer Factory · OEM / ODM · Smart Retail · E‑Ink Display
E‑Ink technology consumes power only during content updates, enabling battery life up to 3–5 years and minimizing maintenance cost.
Prices can be updated remotely via cloud platform, ensuring consistency across all stores and eliminating manual errors.
Multiple display sizes, housing design, logo printing, firmware and communication protocols can be customized according to project requirements.
Supports BLE / Wi‑Fi communication, compatible with smart retail systems, ERP and POS integration.
Eyeglasses Chain Stores
Supermarkets & Convenience Stores
Smart Retail Stores
Pharmacy & Healthcare Retail
Warehouse & Inventory Labeling
Teejoin ESL displays help retailers improve operational efficiency, pricing accuracy and digital transformation.
Display Technology: E‑Ink Electronic Paper Display
Available Sizes: 1.54" / 2.13" / 2.66" / 2.9" / Custom
Communication: BLE / Wi‑Fi
Battery Life: Up to 3–5 Years
Operating Temperature: ‑10°C ~ +50°C
Certification: CE / FCC / RoHS
Display Technology: E‑Ink Electronic Paper Display
Available Sizes: 1.54" / 1.8" / 2.13" / 2.66" / 2.9" / 3.5" / 4.2" / 5.8" / 7.5" / 10.2" Custom
Communication: BLE / Wi‑Fi
Battery Life: Up to 3–5 Years
Operating Temperature: ‑10°C ~ +50°C
Certification: CE / FCC / RoHS
Original Manufacturer with stable mass production capacity
Professional R&D team for hardware & firmware
Rich experience in smart home & E‑Ink display solutions
OEM / ODM service supported
Global clients from retail and IoT industries
Do you support OEM / ODM customization?
Yes, we provide full OEM / ODM service including hardware, firmware and protocol customization.
Can I get samples before bulk order?
Yes, samples are available for testing and evaluation.
What is the lead time?
Sample: 7–10 days. Mass production: 20–30 days.
Our ESL solutions are widely used in:
Supermarkets & convenience stores
Eyewear chain stores
Pharmacy & healthcare retail
Smart retail stores
Warehouse & inventory management
Can ESL improve retail operational efficiency?
Yes. ESL systems reduce labor costs, eliminate manual pricing errors, and enable real-time price synchronization across multiple stores.
Do you provide a complete ESL solution or only hardware?
We providecomplete ESL solutions, including hardware, communication gateway and platform integration support.
Is your ESL solution scalable for large retail chains?
Yes. Our solution is designed to supportthousands of stores and large-scale deployment, suitable for chain retailers and system integrators.
How can I start a cooperation with Teejoin?
You can contact us through the inquiry form to request quotation, samples or a customized ESL solution proposal. Our sales and technical team will respond promptly.
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