4.2" Passive NFC-Powered e-Paper No Battery

This is an NFC-powered 4.2inch e-Paper Module, with 400x300 resolution. Users can transmit data from smartphone or NFC reader to e-Paper and refresh by NFC.

Features:

• No backlight required, e-Paper keep displaying the last content for a long time without power
• No power adapter requried
• You can modify the display content by smartphone
• Compe with ABS case
• App is provided

Specifications:

• Power: NFC-powered
• Resolution: 400x300
• Dot pitch: 0x212x 0x212
• Refresh time: 4s
• Display color: black, white
• Viewing angle: >170°
• Outline dimension: 105.0mm x 94.1mm, 9.90mm
• Display dimension: 84.8mm x 63.6mm