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E Ink Label 4.2 Inch E-paper Smart Label Bluetooth ESL Choose Between Smartphone APP Ver or Gateway Ver,Goodisplay ET0420
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E Ink Label 4.2 Inch E-paper Smart Label Bluetooth ESL Choose Between Smartphone APP Ver or Gateway Ver,Goodisplay ET0420

Our electronic shelf labels are different from those of our competitors, as we have endowed them with new functions and value.
Number of views:
1000
Product serial number
620420F8
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Overview
Specification
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4.2 Inch E-paper Digital Price Tag Customizable ESL 

 Smartphone APP Version: Ideal for standalone use with mobile devices.
Gateway Version: Perfect for centralized management in networked environments.

 

 

This 4.2-inch smart tag features a clear and vibrant e-paper display, available in monochrome, tri-color, and four-color options. It is ideal for retail stores, supermarkets, and other commercial spaces, offering easy remote updates through a base station or smartphone Bluetooth. This allows you to display any content you choose effortlessly. Energy-efficient and durable, these tags can be customized to match your store's branding and come in various sizes. They provide a cost-effective and sustainable solution for modernizing your pricing strategy and reducing operational costs.

 

 

Network Architecture

 

 

 

 

 
 

E Ink Product Feature

 
     
 

  

      ●  The standard protection rating is IP65, which is fully dustproof and water-resistant. Optional ratings of IP54 and IP68 are also available.

      ●  Data Transmission: Data is sent in actual data format, not as an image. A single server can manage over 50,000 stores.    ​​​​​​

      ●  We will select the appropriate communication protocol based on the customer's needs, ranging from Bluetooth with a 30-meter radius to long-range WloTa or LoRa 433 transmission up to 2 km.   

      ●  Pricing: We follow the Amoeba management model, ensuring the lowest prices in the market.​​​​​​

 
     

 

 

Choose Your Perfect Solution: Smartphone APP or Gateway Version

 

 Smartphone APP Version        Gateway Version
                          

When using a small number of electronic tags, you don't need cloud servers, ESL management systems, or access points—just a single Android smartphone is sufficient to easily update prices and give your store a modern, sophisticated appearance.

  For a larger number of electronic tags, the gateway allows for centralized management and remote updates. This setup reduces maintenance costs, saves time, and enhances the store's overall image.

 

Feature Smartphone APP Version Gateway Version
Four Color ET0420-87B ET0420-87
Three Color ET0420-40B ET0420-40
Monochrome Water Proof ET0420-43B ET0420-43

 

 

E Ink Product Application

 

     
             
Supermarkets and hypermarkets   Nameplate   Warehousing and logistics     Smart card
             

 

 

 

If these products don't meet all of your requirements, we offer customization options to better suit your needs.

We aim to make electronic shelf labels

more than just price displays

 

  With our API interface provided to third parties, it can integrate with any application system. Take advantage of our years of hardware expertise to ensure seamless integration with your system. In fact, electronic shelf labels are no longer just price tags.  
 

Here’s an example scenario: Interactive Name Tags for Conferences & Trade Shows 
At large events, E Ink name tags automatically update based on attendee interactions. As you approach a booth or specific area, the tag displays relevant info like schedules or session details. It can also show your participation, interaction history, and even track prizes or points in real time. Creative, engaging, and innovative – isn’t that exciting? If you're looking to create something similar, please contact us — we have ready-made solutions available.

 

 
Keyword:
4.2 inch e-ink Labels Screen
e paper Shop
Digital Price Tag
Bluetooth Display
ESL Electronic Shelf Label
We could not find any corresponding parameters, please add them to the properties table

 

Technical Features

Outline Dimension 99.16mm(H)×89.16mm(V)×12.3mm(D)
Weight 82g
Operating temperature 0~40℃
Operating humidity 45%~70%RH
Protection rating (Optional) IP54/IP65/IP68
LED Red, Green, Blue, three primary colors, Support 7 colors
Image Update Over 30 000 labels / hour   (500 / min)
Communication Band 2.400-2.480 GHz
Communication Distance Within 30 meters (50 meters in open areas)

 

Display

Size 4.2 inch
Resolution 400(H)×300(V)
DPI 119
Active Area 84.8mm(H)×63.6mm(V)
View Angle  >170°
Shell Color  (optional)   Black and White
 Screen Display Color  (optional)   Black and White / Black, White, and Red (tri-color) / Black, White, Red, and Yellow (four-color)

 

Battery

Batteries      CR2450 x 3 
Battery life time     Up to 7 years (industry leader)

 

Features

NFC (Optional) Yes
Wireless Firmware Update Yes
Usable Pages 8 Pages
Compliance CE, RoHS, FCC, MIC, SRRC

 

 

 

DRAWING

 

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