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Home / All / Retail Electronic Shelf Labels Solution / 2.4G Sertag 4.2inch Digital Price Tags E-ink Screen Low Power Label for Retail

2.4G Sertag 4.2inch Digital Price Tags E-ink Screen Low Power Label for Retail

2.4G Sertag 4.2inch Digital Price Tags E-ink Screen Low Power Label for Retail
2.4G Sertag 4.2inch Digital Price Tags E-ink Screen Low Power Label for Retail2.4G Sertag 4.2inch Digital Price Tags E-ink Screen Low Power Label for Retail2.4G Sertag 4.2inch Digital Price Tags E-ink Screen Low Power Label for Retail
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CategoriesRetail Electronic Shelf Labels Solution
BrandSertag Electronic shelf labels Manufacturer
ModelDigital Price Tag SETRV3-0420-40
Display Size4.2inch
Communication Band2.4G
Wireless Communication DistanceCommunication radius 12~15m
Screen Resolution400 × 300
Dimension (mm)99.2 × 89 × 12
BatteryCR2450*3
Battery LifeNot less than 5 years, Replaceable
Display ColorBlack, white and red
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Detail Information

Sertag 4.2inch Digital Price Tags E-ink Label for Retail

The 2.4G 4.2 inch e-ink label is a compact and highly efficient digital pricing solution designed for modern retail environments. Featuring a high-resolution 400x300 E-ink display, it delivers clear, paper-like readability while maintaining ultra-low power consumption.

Powered by stable 2.4G wireless communication, the e-ink label enables real-time data transmission between the ESL system and in-store devices. They enable you to streamline pricing strategies, improve operational efficiency, and enhance the overall shopping experience for your customers. With seamless integration into your existing systems, the electronic labels can be easily updated with the latest pricing, promotions, or product details. This eliminates manual price replacement, reduces human error, and significantly improves operational efficiency.
4.2 inch digital price tags

2.4G 4.2inch Digital Price Tags Features

4.2 inch Tri-colors Electroinc Shelf Label
This video shows the refresh status of a 2.4G 4.2 inch tri-color electronic label.

● Wireless 2.4G Connectivity

Seamlessly communicate and update the electronic ink label information wirelessly within your store's network, enabling real-time updates and synchronization.

● E-Paper Display

High-contrast, low-power E-paper display ensures readability in various lighting conditions, minimal power consumption, and significantly reducing energy costs for your store.

● Integration Capability

Easily integrates with existing inventory and pricing systems, allowing effortless information updates across all electronic labels simultaneously.

● Customizable Templates

Tailor labels to match your brand's aesthetics and easily switch between various templates for different product categories.

● Flashing LED Lights

For added attention or special promotions, our digital price tags can be equipped with flashing LED lights.

2.4G E-ink Label System Architecture

The 2.4G ESL system consists of three key layers: management software, base stations, and electronic shelf labels, enabling efficient and centralized price management.

Data is transmitted via 2.4G base stations, which act as a bridge between the server and the labels. Once received, the electronic shelf labels automatically refresh the displayed content, allowing real-time price or information updates across all shelves without manual replacement. This architecture ensures fast communication, stable performance, and easy scalability.
esl system

Retail 2.4G Electronic Shelf Labels Customer Case 

The 2.4G ESL system transforms your retail environment by streamlining pricing and information management. Applications include:

Price Updates: Instantly update prices across all labels in your store, ensuring consistency and accuracy without manual intervention.
Product Information: Display detailed product descriptions, promotions, QR codes, and images for customer engagement and information access.
Inventory Management: Effortlessly manage inventory by linking labels to stock levels and automatically updating availability.
retail eink display tags
Product Model
SETRV3-0420-40
Screen Size
4.2 inch
Communication
2.4G
Communication Protocol
Private Protocol
Screen Resolution
400*300
Replaceable Batteries
CR2450*3
Dimension (mm)
99.2×89×12
Active Area (mm)
84.8×63.6
Operating Temperature
0~40℃
Storage Temperature
0~40℃
Number of LED Light
1
LED Light Color
Red, Green, Blue
Communication Distance
Communication radius 12~15m
Battery Life
Not less than 5 years, Replaceable
2.4G 4.2 inch Electronic Shelf Label SETRV3-0420-40 Specification

Sertag eRetail3.1 User Manual

eRetail3.1 Online Template Tool


eRetail3.1 Deployment Documentation
Sertag Linux-eRetail3.1 installation

Sertag eRetail3.1 System Integration Manual

eRetail3.1 Docking Scheme Documentation
4.0 Base Station Simple Configuration Documentation
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KEEP IN TOUCH (For job applications, please send your resume to sales@sertag.com. Applications submitted through this page will not be processed. Thank you.)
*Email
Name
Phone
*Title
*Content
Upload
  • Only supports .rar/.zip/.jpg/.png/.gif/.doc/.xls/.pdf, maximum 20MB.
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