E Ink Screen Near Field Communication Passive Wireless Brushing 4.2 Inch for Mobile APP(Ink Screen )

About this item

• Feature: 1. 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. 2. With guaranteed quality, e-ink display supports simple installation, which can be used with confidence. 3. No battery environmental protection and energy saving, mobile APP keeps simple operation, supports new passive near field communication technology wireless transmission, beautiful and thin with high-quality ABS shell. 4. Adopts new passive near field communication technology, such 4.2-inch electronic ink screen has no need of built-in battery power consumption, no trouble of battery life. 5. To work stably, this e-ink screen keeps new passive near field communication wireless brushing technology adopting passive near field communication scheme, which is no need for built-in battery and no cumbersome wiring. Specification: Item Type: E-ink screen Power Supply: Wireless power supply Gray Level: 2 Display Color: Black and white Refreshing Time: 4s (not including data transmission time) Dot Pitch: 0.212 x 0.212 Display Size: Approx. 84.8 x 63.6mm 3.3 x 2.5in Resolution: 400 x 300 Viewing Angle: >170 degrees . Package List: 1 x E-Ink Screen2 x Foam Double-Sided Adhesive