MpicoSys' PicoSign is a universal signage system that includes an E Ink display and internet connectivity (via Wi-Fi or POE). PicoSign runs on 4 standard AA batteries that can operate for more than a year (the 10.2" model, updated 7 times a day via Wi-Fi, will last over a year).

MpicoSys PicoSign photo

The PicoSign series ranges from 7.4" 480x800 to a color 31.2" 2560x1440 E Ink Carta display.

E Ink display info: 
7.4" 480x800 to 31.2" color 2560x1440 E Ink