WAVESHARE 2.13 Inch Passive NFC Red Yellow Black White Ink Screen

1. Power supply: NFC wireless power supply 2. Display color: red, yellow, black, white 3. Dot pitch: 0.1943 x 0.1942 mm4. Resolution: 250 x 122 pixels5. Grayscale level: 2 6. Refresh time: 16s (excluding data transmission time) 7. Viewing angle: more than 170 degrees8. Display size: about 48.55 x 23.70mm9. Size: about 6.5 x 4 x 1.3cmFeatures:1. Passive NFC solution, no built-in battery, no need for cumbersome wiring2. When you need to refresh the display, you can use your NFC-enabled smartphone or card reader to wirelessly power up and refresh the display near the ink screen3. Suitable for shopping mall price tags, asset and equipment tags, electronic shelf tags and conference name tags, etc.4. ABS shell, beautiful and thin5. Environmental protection and energy saving, APP operation is simple