
Product Name: 4.2 inch Passive NFC-Powered ESL Tag, No Battery, Wireless, GDN042BW
E-mail: sales@eink-display.com
INTRODUCTION
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. 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 GDN042BW Software can only be applied to Android phones.
FEATURE
No Battery Required, No More Battery Life Trouble
● It does not contain a power supply such as a battery, which is suitable for applications where the power supply is restricted
● The displayed content can be customized and controlled by the user at any time through the smart phone, which is convenient and flexible.
● Suitable for equipment labels, shelf labels, information storage, etc.
● With ABS plastic housing with better strength and toughness
● Provides a matching Android APP to help users edit and manage the display content of the ink screen
● Provide complete supporting information manual
HOW TO USE
Use A Smart Phone With NFC Function, Or An NFC Reader
1. Download the APP,scan the QR code with a browser
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2. Select mode as 2-COLOR
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3. Select model name as GDEW042T2
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4. Select the camera LOGO to choose your image.
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5. Use the red frame to select and click 'Crop' to prepare your image. (It is recommended to pre-set the size and format of your image according to the parameters of E-paper display)
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6. After setting done, please place your NFC mobile device against the antenna area at the back of 4.2 inch NFC E-label when APP will react to it, starting data-transmission and E-paper image updating.
* Note: Please turn the NFC function on and do not make any movement of your mobile device during data-transmission and image updating.
Good Display E-ink Display NFC APP
- Description
- Technical parameters
- Video
INTRODUCTION
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. 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 GDN042BW Software can only be applied to Android phones.
FEATURE
No Battery Required, No More Battery Life Trouble
● It does not contain a power supply such as a battery, which is suitable for applications where the power supply is restricted
● The displayed content can be customized and controlled by the user at any time through the smart phone, which is convenient and flexible.
● Suitable for equipment labels, shelf labels, information storage, etc.
● With ABS plastic housing with better strength and toughness
● Provides a matching Android APP to help users edit and manage the display content of the ink screen
● Provide complete supporting information manual
HOW TO USE
Use A Smart Phone With NFC Function, Or An NFC Reader
1. Download the APP,scan the QR code with a browser
![]() |
2. Select mode as 2-COLOR
![]() |
3. Select model name as GDEW042T2
![]() |
4. Select the camera LOGO to choose your image.
![]() |
5. Use the red frame to select and click 'Crop' to prepare your image. (It is recommended to pre-set the size and format of your image according to the parameters of E-paper display)
![]() |
6. After setting done, please place your NFC mobile device against the antenna area at the back of 4.2 inch NFC E-label when APP will react to it, starting data-transmission and E-paper image updating.
* Note: Please turn the NFC function on and do not make any movement of your mobile device during data-transmission and image updating.
Good Display E-ink Display NFC APP
PARAMETERS
PART NUMBER | GDN042BW |
SIZE OF EPD | 4.2 inch |
POWER SUPPLY | Wireless |
DISPLAY COLOR | Black / White |
DOT PITCH(mm) | 0.212x0.212 |
RESOLUTION | 400x300 |
GREY SCALE | 2 |
REFRESH TIME | 3s |
DISPLAY SIZE(mm) | 84.8x63.6 |
OUTLINE DIMENSION(mm) | 104.8x94x10.18 |
DRAWING
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Address:No.18, Zhonghua West Road, Dalian, China,116033
E-mail: sales@eink-display.com
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Dalian Diamo Electronic Technology Co., Ltd.
辽ICP备08000578号
Website construction:www.300.cn jinzhou.300.cn