Equipped with an E-Ink display and wireless connectivity, the compact ZecTrix Note 4 supports notifications and can be easily attached to surfaces like a refrigerator. 4 Reviews ← exclude selected types ← exclude selected tagsThe ZecTrix Note 4 is a compact smart display built around an E-Ink screen. Its 4.2-inch E-Ink panel features a resolution of 400 x 300 pixels and remains easily readable even in direct sunlight. While the standard ZecTrix Note 4 is monochrome, the Note 4C variant adds color display support. The ZecTrix Note 4 is listed on Tindie for $55, though it is currently marked as out of stock.