2.13 inch e-Paper HAT (G) 2.13inch 4-Color E-Paper HAT A 250 × 122 four-color e-paper HAT supporting red, yellow, black, and white display output, with Raspberry Pi 40PIN GPIO header, SPI interface, and ultra-low power paper-like display. Key Features 2.13 inch e-paper HAT with 250 × 122 resolution. Four-color display: red, yellow, black, and white. Standard Raspberry Pi 40PIN GPIO header for Raspberry Pi series boards and Jetson Nano. SPI interface for Raspberry Pi, Jetson Nano, Arduino, STM32, and other controller boards. No backlight required; content remains visible after power is removed. Onboard voltage translator for 3.3V and 5V MCU compatibility. Specifications Operating voltage 3.3V / 5V Display color Red / Yellow / Black / White Interface 3-wire SPI / 4-wire SPI Grey scale 2 Resolution 250 × 122 pixels Display size 48.55 × 23.70mm Outline dimensions 65 × 30.2mm Full refresh time 25s Refresh power 26.4mW typ. Dot pitch 0.1943 × 0.1942mm Standby current