Waveshare 7.5inch Passive NFC-Powered e-Paper No Battery Required No Messy Wiring Novel Passive NFC Tech Wireless Powering & Data Transfer APP Provided 800X480 Pixel,Black& White Color
Brand: Bicool

1.7.5" NFC-Powered e-Paper:<br> Adopts novel passive NFC technology<br> No battery required, no more battery life trouble<br> 2.Wireless NFC-Powered Display Refreshing<br> 3.Passive NFC solution, No Battery Required, No messy wiring, stable operation<br> 4. How it works<br> To refresh the display content<br> use a smart phone with NFC function, or an NFC reader<br> close to the e-Paper for both wireless powering and data transfer<br> Refreshing Example<br> Refreshed by ST25R3911B NFC Board<br> Application examples<br> Suitable for price Tags, asset/equipment Tags, shelf labels, conference name tags...<br> Specifications: <br> Power supply : Wireless<br> Grey scale: 2<br> Display color:Black / White <br> Refresh time :5s (data transfer time is not included)<br> Dot pitch:0.205×0.204 <br> Display size:163.2mm×97.92mm<br> Resolution:800×480<br> Outline dimension :195.84mm×137.68mm<br> Viewing angle :>170°<br> Package Content<br> 7.5inch NFC-Powered e-Paper x1<br>

7.5" NFC-Powered e-Paper. Adopts novel passive NFC technology,Wireless Power&Data. No battery required, no more battery life trouble,Energy-Saving. APP is provided,Easy to use.Protective ABS Case,Nice&Light Weight.
Wireless NFC-Powered Display Refreshing.Passive NFC solution, No Battery Required, No messy wiring, stable operation.
How it works: To refresh the display content, use a smart phone with NFC function, or an NFC reader, close to the e-Paper for both wireless powering and data transfer. Refreshing Example: Refreshed by ST25R3911B NFC Board
Power supply : Wireless . Grey scale: 2. Display color:Black / White . Refresh time :5s (data transfer time is not included). Dot pitch:0.205×0.204 . Display size:163.2mm×97.92mm. Resolution:800×480 . Outline dimension :195.84mm×137.68mm. Viewing angle :>170°