Display
5.65″ display (114.9 × 85.8mm)
Resolution – 600 × 448 pixels
Viewing angle – >170°
ACeP (Advanced Color ePaper) 7-color with black, white, green, blue, red, yellow, and orange
Greyscale – 2 levels
Full refresh time – 15s
Dot pitch – 0.1915 × 0.1915mm
Host Interface – 3-wire SPI or 4-wire SPI
Operating voltage – 3.3V/5V
Power Consumption
50mW (typ.) during refresh
Standby current – <0.01uA (almost none)
Dimensions – Board – 138.5 × 100.5mm

75€

Screens
7.5″ display
800×480 résolution
2-level greyscale
170° viewing angle
Refresh Time – 5s + data transfer time

4.2″ display
400×300 resolution
2-level greyscale
170° viewing angle
Refresh Time – 4s + data transfer time
Wireless Connectivity – NFC
Power Supply – Wireless over NFC
Dimensions
4.2″ model: 105.0 x 94.1 x 9.90mm
7.5″ model: 195.84 x 137.68 x 13 mm

The 4.2″ model is sold on Aliexpress for $42.29 shipped with free shipping, and the 7.5″ model for $70.19 from the same shop.

génial !