Waveshare 2.9inch Passive NFC-Powered e-Paper Module, with ABS Plastic Shell, for Price Tags/Shelf Labels

• Features: Black/White Display color, 296 x 128 Resolution, >170° Viewing angle, 66.89mm x 29.05mm Display dimension, 87.5mmx47.7mm Outline dimension
• Users can transmit data from a smartphone or NFC reader to e-Paper and refreshed by NFC. No backlight required, e-Paper keeps displaying the last content for a long time without power.
• It does not contain a power supply such as the batt itself, which is suitable for application environments with limitation on power supply.
• Note: Make sure that you have opened the NFC function of your phone, and do not move the phone when transmitting and updating, because the communicating distance of NFC is short. For more details, please refer to the user manual.

Specifications POWER SUPPLY: Wireless GREY SCALE: 2 DISPLAY COLOR: Black/White REFRESH TIME: 2s (data transfer time is not included) DOT PITCH: 0.138×0.138 DISPLAY SIZE: 66.89mm×29.05mm RESOLUTION: 296×128 OUTLINE DIMENSION: 87.5mm×47.7mm VIEWING ANGLE: >170° User Manual waveshare.com/wiki/2.9inch_NFC-Powered_e-Paper?amazon