Wireless Convenience: Experience the innovative NFC-powered technology with the Waveshare 7.5inch E-Paper. This display requires no battery, getting its power and data purely through NFC, making it perfect for various applications where conventional power sources are a challenge. Efficient and Eco-friendly: With its battery-free design, this e-paper display is not only environmentally friendly but also cost-effective. It eliminates the need for battery replacement and disposal, offering a greener alternative for digital displays. Versatile Applications: Ideal for price tags, shelf labels, or any dynamic information display in retail, logistics, or exhibition settings. Its wireless feature allows for seamless updates without the need for physical access, enhancing operational efficiency. Colour:White Material:ABS Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Package Contents: 1 * 7.5inch NFC-Powered e-Paper V2 1 * Card Reader 1 * ST25R3911B NFC Board 1 * USB Cable Type-A Male to Micro-B Male 1 * Micro-SD Card 16GB Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.