Name: 4.2 inch E-ink Display Passive NFC-Powered Electronic Paper Screen ESL Wireless, No Battery, GDN042BW
Brand: GOOD DISPLAY
SKU: GDN042BW
Price: 27.39 USD
Availability: InStock

SKU: GDN042BW

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$27.39

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

⚠️

Important Compatibility Notice

This NFC pendant does NOT work with Samsung and Google Pixel phones due to their restricted NFC implementations. Please check compatibility before purchase.

4.2" NFC
Monochrome Tag

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!

✦ 400×300 · 4‑Gray
✦ Zero Battery
✦ ISO14443‑A
✦ 3s Refresh
✦ ABS Enclosure
✦ -25°C ~ 70°C

NFC Technology

Three Core Advantages

Battery‑free, instant refresh, and built for harsh environments.

🔋

0 Batteries

Battery‑Free Operation No replacement, no waste

Powered entirely by NFC energy harvesting. No battery to change — perfect for sealed or hard‑to‑reach installations. Zero maintenance required.

Zero Maintenance

📱

3 sec

Smartphone‑Controlled Tap to refresh

Update content with a single tap from your Android or iOS device. No specialized programmer required — as easy as swiping a credit card.

Plug & Play

🏭

-25° to 70°C

Industrial‑Grade Design ABS casing & E-ink

Rugged ABS housing with paper‑like e‑ink display. Lightweight yet durable, rated for demanding retail and logistics environments.

Built Tough

Ecosystem

Dual Drive Solutions · Flexible Deployment

Choose the workflow that fits your deployment — Mobile or PC.

📱 Mobile

Smartphone Control

Update via NFC‑D3‑Pro App

✦ Android & iOS compatible
✦ Tap phone to refresh
✦ No cables or readers
✦ APK / App Store available

Scan to download

⬇ Download APK

▶ Android demo video

iOS App Store

▶ iOS demo video

💻 Desktop

Dedicated Reader

Professional deployment with GDPN02

✦ USB‑C connected reader
✦ ImageToNFC tool
✦ Bulk image refresh
✦ Multi‑color support

Reader info

Learn More →

▶ PC Reader operation video

⚠️

IMPORTANT: Reader Compatibility – Do Not Mix
DMPENRAB1 series readers and GDPN02 series readers are NOT interchangeable. Please ensure the reader matches your tag model.

DMPENRAB1 ↔ DMP series | GDPN02 ↔ GDN series

📌 Software & Firmware: Use the APP version specified on your product page. DMN / GDN apps are NOT interchangeable.

📱 NFC Usage Note: For optimal experience, avoid using the device directly on metal surfaces, as metal may block or weaken the NFC signal.

Technical Data

Precision Specifications

Every parameter engineered for reliability and seamless integration.

Parameter	Value
Part Number	GDN042BW
Display Size (mm)	84.8 × 63.6
Size	4.2"
Resolution	400 × 300
Dot Pitch (mm)	0.212 × 0.212
Display Color	Black & White (4 Gray)
IC	FM1280
Protocol	ISO14443‑A
Refresh Time (s)	3
Outline Size (mm)	104.8 × 94 × 10.18
Power Supply	Wireless (NFC)
Operating Temp.	-25 °C ~ 70 °C

Mechanical

Drawing Detail

Precise dimensions for your enclosure and PCB layout.
Mechanical drawing of GDN042BW

Use Cases

Built for Real‑World Deployments

From retail shelves to logistics — the versatility of NFC e‑paper.

Product Price Tags and Labels

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

In-Transit Status Display

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

Personalized Creative Labels

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

Sustainability

Technology That Cares

Low power, long life, and a smaller footprint — for a better tomorrow.

🌳

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.

Resources

Files & Downloads

Everything from datasheets to sample code — all in one place.

📄 Specifications

🛠️ Software & Tools

📘 View the latest product catalog →

Explore More

Other NFC Tags

Contact

Let's Build Together

Expert support, custom solutions, and fast turnaround.

📧 Email us

buyepaper@good-display.com

We offer front‑light, touch panel, and custom FPC options.
Visit our official website →

Certifications: CE · ISO 14001 · ISO 9001 · REACH · RoHS · Energy Star

📧 Contact Engineering Team

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