3.7 Inch 240X416 Spl E Ink Screen Module Fast Refresh Black/White/Red/Yellow E-Ink Display For Eas System For Supermarket Use
-
10-199 PcsCN¥729.21
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200-1999 PcsCN¥729.21
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>=2000 PcsCN¥729.21
- Samples:
- US$ 729.21 /Pcs,Contact us for sample pricing 1 Pcs (Min. Order)
- Customization:
-
Customized logo(Min. Order: 200 Pcs)Customized packaging(Min. Order: 2000 Pcs)Graphic customization(Min. Order: 5000 Pcs)
- Company Overview
- Production Capacity
- Quality Control
- R&D Capacity
- Trade Capacity
- Factory inspection reports
- CE Certified.
- Valid from 2016-12-25 until 2049-12-31
3.7 Inch 240X416 Spl EPaper for Electronic Shelf Label (ESL) Display



Smart Retail Pricing Solution for Chain Stores
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

Product Highlights
Ultra‑Low Power Consumption
E‑Ink technology consumes power only during content updates, enabling battery life up to 3–5 years and minimizing maintenance cost.
Centralized Price Management
Prices can be updated remotely via cloud platform, ensuring consistency across all stores and eliminating manual errors.
Flexible Customization (OEM / ODM)
Multiple display sizes, housing design, logo printing, firmware and communication protocols can be customized according to project requirements.
Stable Wireless Communication
Supports BLE / Wi‑Fi communication, compatible with smart retail systems, ERP and POS integration.

Application Scenarios
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.
Technical Specifications
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

Technical Specifications
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

Why Choose Teejoin Factory?
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
FAQ
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.
| Business Type |
Manufacturer
|
Country/Region |
Guangdong, China
|
| Main Products | Ownership |
Private Owner
|
|
| Total Employees |
101 - 200 People
|
Total Annual Revenue |
confidential
|
| Year Established |
2016
|
Certifications(1) | |
| Product Certifications(4) | Patents |
Contact us get patent information
|
|
| Trademarks(1) | Main Markets |
PRODUCT CAPACITY
Production Flow
Production Equipment
|
Name
|
No
|
Quantity
|
Verified
|
|---|
|
Production Line
|
NT5TU32M16E-AC
|
4
|
|
|
laser Engraving Machine
|
SCANCUBE10
|
2
|
|
|
Core-board Test Frame
|
TN5TU32M16E-AC
|
6
|
|
|
DC Power Tester
|
PS-302D
|
1
|
|
|
Test Burn-process Computer
|
TQPC
|
4
|
|
Factory Information
|
Factory Size
|
5,000-10,000 square meters
|
|
Factory Country/Region
|
4th Floor, Wanye Long Industrial Park, Bantangtou Avenue, Shiyan Street, Baoan District, Shenzhen,China
|
|
No. of Production Lines
|
6
|
|
Contract Manufacturing
|
OEM Service OfferedDesign Service OfferedBuyer Label Offered
|
|
Annual Output Value
|
Above US$100 Million
|
Annual Production Capacity
|
Product Name
|
Production Line Capacity
|
Actual Units Produced(Previous Year)
|
Verified
|
|---|
|
Smart Home Solution
|
150 Sets Per Month
|
3000 Sets
|
|
|
E Ink Display Solution
|
100 Sets Per Month
|
2000 Sets
|
|
|
Smart Home Hub
|
100000 Pieces Per Month
|
800000 Pieces
|
|
|
Smart Switch and Socket
|
800000 Pieces Per Month
|
5000000 Pieces
|
|
|
Smart Sensor and IR Transfer
|
8000 Pieces Per Month
|
600000 Pieces
|
|
|
Face Recognition
|
300 Pieces Per Month
|
2000 Pieces
|
|
|
Cloud Intercom
|
1500 Pieces Per Month
|
10000 Pieces
|
|
Production Line
|
Production Line
|
Supervisor
|
NO.of Operators
|
NO.of In-line QC/QA
|
Verified
|
|---|
|
production line
|
2
|
60
|
16
|
QUALITY CONTROL
Quality Management Process
Test Equipment
|
Machine Name
|
Brand & Model NO
|
Quantity
|
Verified
|
|---|
|
Electronic Load Tester
|
KL284A
|
1
|
|
|
Oscilloscope
|
DSO5102P
|
3
|
|
|
Digital DC Power Supply
|
CE0030050T
|
3
|
|
|
Phase Power Meter
|
LK9801
|
3
|
|
|
Synthetical Air Tester
|
MEF-550
|
1
|
|
|
Tesla Magnetometer
|
HT20
|
1
|
|
|
Hi-pot Tester
|
CC2672A
|
1
|
|
|
Lightning Surge Generator
|
SUG61005TB
|
1
|
|
|
ESD Generator
|
ESD61002TA
|
1
|
|
|
Noise Tester
|
TQGY18053003
|
1
|
|
R&D Capacity
R&D Process
Production Certification
|
prcture
|
Certification Name
|
Issued By
|
Business Scope
|
Available Date
|
Verified
|
|---|
|
CE
|
Other
|
2016-12-25 ~ 2049-12-31
|
|
|
|
CE
|
Other
|
2016-12-25 ~ 2049-12-31
|
|
|
|
Other
|
CQC
|
2017-06-08 ~ 2022-06-07
|
|
|
|
CE
|
TUV Rheinland
|
Smart Switch
|
2016-12-24 ~
|
-
|
|
CE
|
TUV Rheinland
|
Smart Switch
|
2016-12-24 ~
|
-
|
|
CE
|
TUV Rheinland
|
Smart Switch
|
2016-12-24 ~
|
-
|
certification
|
prcture
|
Certification Name
|
Issued By
|
Business Scope
|
Available Date
|
Verified
|
|---|
|
ISO9001
|
Other
|
Smart Switch, Smart Socket And Gateway Host
|
2017-04-21 ~ 2020-04-20
|
|
Research & Development
TRADE CAPABILITIES
Main Markets & Product (s)
|
Principais mercados
|
Total Revenue (%)
|
Main Products (s)
|
Verified
|
|---|
|
Domestic Market
|
46.00%
|
Smart Home Hub, Smart Switch and Socket, Smart Sensor and IR Transfer, Face Recognition, Cloud Intercom
|
|
|
Mid East
|
15.00%
|
Smart Home Hub, Smart Switch and Socket, Smart Sensor and IR Transfer, Face Recognition, Cloud Intercom
|
|
|
North America
|
9.00%
|
Smart Home Hub, Smart Switch and Socket, Smart Sensor and IR Transfer, Face Recognition, Cloud Intercom
|
|
|
Southeast Asia
|
8.00%
|
Smart Home Hub, Smart Switch and Socket, Smart Sensor and IR Transfer, Face Recognition, Cloud Intercom
|
|
|
Africa
|
6.00%
|
Smart Home Hub, Smart Switch and Socket, Smart Sensor and IR Transfer, Face Recognition, Cloud Intercom
|
|
|
Western Europe
|
5.00%
|
Smart Home Hub, Smart Switch and Socket, Smart Sensor and IR Transfer, Face Recognition, Cloud Intercom
|
|
|
Central America
|
5.00%
|
Smart Home Hub, Smart Switch and Socket, Smart Sensor and IR Transfer, Face Recognition, Cloud Intercom
|
|
|
South America
|
3.00%
|
Smart Home Hub, Smart Switch and Socket, Smart Sensor and IR Transfer, Face Recognition, Cloud Intercom
|
|
|
Eastern Europe
|
2.00%
|
Smart Home Hub, Smart Switch and Socket, Smart Sensor and IR Transfer, Face Recognition, Cloud Intercom
|
|
|
Northern Europe
|
1.00%
|
Smart Home Hub, Smart Switch and Socket, Smart Sensor and IR Transfer, Face Recognition, Cloud Intercom
|
|
Trade Ability
| Language Spoken |
English
|
| No. of Employees in Trade Department |
11-20 People
|
| Average Lead Time |
15
|
| Export License Registration NO | 03692411
|
| Total Annual Revenue |
confidential
|
| Total Export Revenue |
confidential
|
Business Terms
| Accepted Delivery Terms |
FOB, CIF, EXW
|
| Accepted Payment Currency |
USD, EUR, CNY
|
| Accepted Payment Type |
T/T, L/C, Credit Card, PayPal, Western Union, Cash
|
| Nearest Port |
shenzhen
|
