Dilwe 7.5 Inch E-Ink Screen, 800 x 480 Passive NFC E-Ink Display Support, Price Tag, Brushing, Power Supply No Battery(White)

Specification:Item Type: E-ink screen Power Supply: power supply Gray Level: 2 Display Color: Black and white Refreshing Time: 5s (not including data time) Dot Pitch: 0.205 x 0.204 Display Size: Approx. 163.2 x 97.92mm / 6.4 x 3.9in Resolution: 800 x 480 Viewing Angle: >170° Package List:1 x E-Ink Display

• Due to new passive near field communication technology, this 7.5 inch electronic ink screen supports no need of built in battery power consumption without trouble of battery life.
• Simple mobile APP , ABS shell, beautiful and thin, new passive near field communication technology can be supported while no battery environmental and energy saving.
• Built to strict quality control standards with simple installtion,ink screen is improved for more durability.
• To work stably, this ink screen keeps new passive near field communication brushing technology adopting passive near field communication scheme, which is no need for built in battery and no cumbersome wiring.
• Smartphones or card readers with near field communication function can be near this product to wirelessly power and makes the display content refreshed while the display needs to be refreshd.