Name: 4.2 inch E-ink Display Passive NFC-Powered Electronic Paper Screen ESL Wireless, No Battery, GDN042BW
Brand: GOOD DISPLAY
SKU: GDN042BW
Price: 21.92 USD
Availability: InStock

SKU: GDN042BW

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GDN042BW is a 4.2 inch NFC-powered Electronic Shelf Label, adopts novel passive NFC technology, no battery required, no more battery life trouble. 4.2 inch e-paper display, black and white, support 4 Grayscale.

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Description

4.2" Monochrome E-Ink NFC Tags

A E-ink Display Passive NFC-Powered Electronic Paper Screen ESL, adopts novel passive NFC technology, no battery required, no more battery life trouble. 4.2 inch e-paper display, black and white, support 4 Grayscale. Use protective ABS case, beautiful and light weight, supports personalized customization. Refreshed By Smartphone, Comes With Android APP, As Easy As Swiping A Credit Card!

(Note: This product is compatible with most NFC-enabled Android phones. Please note: It is not compatible with Samsung, Apple, or Google Pixel devices. To ensure compatibility, please feel free to contact us to confirm your device model before placing an order.).

Core Advantages

Battery-Free Operation

Zero battery replacement needed
• Permanent solution to battery life issues

• Ideal for restricted power environments

• Reduced maintenance costs

Smartphone-Controlled

Android NFC compatibility
• Update content in 3 seconds

• Credit card-style tap refresh

• No specialized equipment needed

Industrial-Grade Design

ABS protective casing
• Paper-like e-ink display

• Lightweight yet durable construction

• -25°C to 70°C operational range

Technical Specifications

Part Number GDN042BW

Display Size(mm) 84.8x63.6

Power Supply Wireless

Size 4.2"

Dot Pitch(mm) 0.212x0.212

Display Color Black and White

Resolution 400×300

Grey Scale 4

Refresh Time(s) 3

Outline Size(mm) 104.8x94x10.18

Drawing Details

Modular Components

GDEY042T81

4.2" Black & White E-Ink Panel

NFC-D3-029

NFC Driver Board

GDN042BW

4.2" Industrial-grade ABS Enclosure

GDN042BW

NFC Smart ESL Solution

How To Use

Download the App

Use a smartphone with NFC function to scan the QR code below. This will take you to the download page for the Android application.

Scan with your phone's browser

Download APK Directly

Requirements:

Android smartphone with NFC capability
Android 8.0 or later
Internet connection for download

Update Your Display

Open the app and bring your phone close to the NFC tag on the display. The content will update instantly, as easy as swiping a credit card!

Align your device's NFC with this area

Pro Tip

For optimal performance, maintain your smartphone steadily 1-2 cm above the NFC indicator area during data transmission.

Typical Applications

Retail

Product Price Tags and Labels

Supports remote batch price updates (with wireless communication modules), improving pricing efficiency.

Logistics

In-Transit Status Display

Durable and impact-resistant, suitable for frequent handling in warehousing environments.

Customizable

Personalized Creative Labels

Customizable patterns and text via apps, supporting black-and-white line drawings for niche creative needs.

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Sustainable Technology

Paperless Future

Each display saves ≈3,000 sheets annually. Join 15,000+ businesses reducing paper waste with ePaper solutions.

Sustainable Packaging

95% recycled materials with FSC-certified packaging. 100% plastic-free protective materials.

Energy Leadership

90% less energy than LCDs. Annual CO₂ reduction equivalent to 50 mature trees.

About Us

Thank you for your interest in our product. We could provide front light, touch screen, and other accessories for you. For more information, please refer to the relevant manual available in our Library or visit our official website at www.good-display.com.
If you need any further assistance or have any other questions, please feel free to contact us. We sincerely invite you to send your inquiries to our email at buyepaper@good-display.com.

Certifications

ISO 14001 Environmental Management
RoHS Compliant | Energy Star Certified

Contact Our Engineers

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4.2 inch E-ink Display Passive NFC-Powered Electronic Paper Screen ESL Wireless, No Battery, GDN042BW

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4.2" Monochrome E-Ink NFC Tags