4.2inch Passive NFC-Powered e-Paper, No Battery

This is an NFC-powered 4.2inch e-Paper Module, with 400 x 300 resolution. Users can transmit data from a smartphone or NFC reader to e-Paper and refresh it by NFC.

User Manual / Datasheet / Example Codes Etc.

Features

• No backlight required, e-Paper can keep displaying the last content for a long time without power.
• It does not contain a power supply such as a battery, You can modify the display content by smartphone, suitable for applications where power is limited.
• The displayed content can be customized and controlled by the user at any time through the smartphone, which is convenient and flexible.
• Suitable as equipment labels, shelf labels, information storage, etc.
• Equipped with ABS plastic shell with good strength and toughness.
• Provide a supporting Android APP to help users edit and manage the display content of the ink screen.
• Provide complete supporting information and manual.

Specifications

• Power: NFC-powered
• Resolution: 400 x 300
• Dot pitch: 0.212 x 0.212
• Refresh time: 4s
• Display color: black, white
• Viewing angle: >170°
• Outline dimension: 105.0mm x 94.1mm x 9.90mm
• Display dimension: 84.8mm x 63.6mm

Wireless NFC-Powered Display Refreshing

How It Works

Dimensions

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