2.13 inch e-Paper HAT+ 2.13inch E-Paper HAT+ for Raspberry Pi A 250 × 122 black-and-white E-Ink HAT+ for Raspberry Pi, featuring SPI interface, partial refresh support, high-precision RTC, immersion gold process, and HAT+ standard for improved interoperability. Key Features 2.13 inch e-paper panel with 250 × 122 resolution. Black and white display with 2-level grey scale. Raspberry Pi HAT+ standard for improved interoperability and expansion. Onboard high-precision DS3231 RTC chip for accurate time control. Immersion gold process for improved anti-oxidation, anti-corrosion, and electrical reliability. SPI interface with partial refresh support. No backlight required; content remains visible after power is removed. Specifications Operating voltage 3.3V Display color 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 × 30.5mm Full refresh time 2s Fast refresh time 1.8s Partial refresh time 0.3s Refresh power 10.5mW typ. Dot pitch 0.194 × 0.194mm Standby power