Say goodbye to battery anxiety! Update smart shelf labels with your phone – zero consumables, permanent display!
NFC-Powered, Battery-Free E-Paper – Android Only, Customizable
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Number of views:
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4.2" E-Ink Passive NFC-Powered ESL Tag – Wireless, Battery-Free GDN042R
Number of views:
1000
Product serial number
630N420R
Category
NFC Tag
Quantity
-
+
OVERVIEW
SPECIFICATION
DOWNLOAD
4.2" Battery-Free NFC Tri-Color E-Paper Display
4.2-inch Passive NFC E-Paper Label
The GDN042R is a 4.2-inch 3-Color E Ink display (black/white/red) utilizes passive NFC technology, requiring no battery, charging, or maintenance. Housed in a sleek, lightweight ABS case, it's perfect for smart shelf labels or tags. Easily updated via Android smartphones using our dedicated app – just tap and go!
*Note: Works with most Android phones that support NFC. To ensure compatibility, feel free to contact us before placing your order.
Sleek ABS Protective Case
Stylish and compact, with a tough ABS shell – simple to mount and fully customizable for your brand or style.
Product Features
Wireless NFC Technology
Contactless wireless updates and programming
Maintenance-Free Digital Labels
No wiring, no charging, no battery replacements
Ultra-Low Power
E Ink tech for always-on visibility （Near-zero sleep power）
Android App Control
Dedicated App for effortless content management
Full Documentation Provided
Quick start guides and technical manuals included
Durable ABS Housing
Lightweight, tough, and impact-resistant
How It Works
Wirelessly powered and refreshed by bringing an NFC-enabled smartphone or card reader close to the device.
⚠️ Note on NFC Usage: For the best experience, please avoid using the device directly on metal surfaces, as metal may block or weaken the NFC signal.
Core Value Visualization
| Pain Points of Traditional ESLs | GDN042R Breakthrough |
|---|---|
| Battery replacement cost | Battery-free NFC-powered |
| Requires dedicated base stations | Android phone as controller |
| Static printed labels | Customizable via APP |
App Operation Steps for Android Users
1
The app will detect the e-paper display and automatically perform data transmission and refresh operations.
2
Please ensure that your phone's NFC is enabled before use. During data transmission and refreshing, do not move the phone.
Download APK Directly
https://www.e-paper-display.com/NFC-D3-Pro.apk
NFC TAG LOCATION
NFC Connection Stability Guide
NFC may occasionally experience data loss or interruptions due to external factors. To improve performance, follow these recommendations:
Best Use Range
Keep devices aligned within 1–2cm.
Check Device Status
Restart or reset NFC if issues occur.
Reduce Interference
Avoid metal cases or thick protectors.
Stay Clear of EM Sources
Stay clear of chargers, Bluetooth, and strong EM sources.
Matching E-paper + NFC Board
ESL Mounting System – Complete Installation Solution
More Sizes, More Possibilities
From compact tags to larger labels – we’ve got the perfect NFC-powered E-Paper solution for every need. Choose from 1.54", 2.13", 2.9", and 4.2" displays, available in black & white, 3-color, or 4-color versions.
All models are battery-free, Android-compatible, and built with durable, lightweight materials. Perfect for smart shelf labels, product tags, ID badges, and more.
Browse All NFC E-Paper Tags →
Keyword:
ESL Tag
NFC-Powered
E-paper Display 4.2 inch
4.2 inch Passive
No Battery Wireless
NFC-Powere
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Time of issue:2020-04-27 00:00:00
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