M5Stack ESP32 Core Ink Development Kit Features a 200x200 1.54-Inch E-Ink display Provides standard wireless functions - WiFi and Bluetooth Features 180 degrees viewing angle Built-in Magnet Low power consumption The M5Stack ESP32 Core Ink Development Kit (1.54-In E-Ink Display) is a brand new E-ink display in the M5Stack cores range. Controlled by the ESP32-PICO-D4. This new device includes a 200x200 1.54" Black and White E-Ink Display. Compared to a regular LCD,E-ink displays are easier on the eyes, which makes them a great choice for reading or viewing for longer periods. Other benefits are the low power consumption and the ability to retain the image even if the power to the display is terminated For control the CoreInk integrates a multi-function button, A physical button, integrated status LED, and buzzer. Application IoT Terminal E-Book Industrial Control Panel Electronic Tag