Overview1. This is an E-Ink display HAT for Raspberry Pi, 2.13inch, 212x104 resolution, with embedded controller, communicating via SPI interface, supports red, black, and white three-color display.2. Due to the advantages like ultra low power consumption, wide viewing angle, clear display without electricity, it is an ideal choice for applications such as shelf label, industrial instrument, and so on.Features1. No backlight, keeps displaying last content for a long time even when power down2. Ultra low power consumption, basically power is only required for refreshing3. Compatible with Raspberry Pi Zero/Zero W/Zero WH/2B/3B/3B+4. Preserved solder pads for SPI interface, for connecting with other controller boards like Arduino/Nucleo, etc.5. Onboard voltage translator, compatible with 3.3V/5V MCUs6. Comes with development resources and manual (examples for Raspberry Pi/Jetson Nano/Arduino/STM32)Specifications1. Operating voltage: 3.3V/5V2. Interface: 3-wire SPI, 4-wire SPI3. Outline dimension: 65mm x 30.2mm4. Display size: 23.71mm x 48.55mm5. Dot pitch: 0.229 x 0.2286. Resolution: 212 x 1047. Display color: red, black, white8. Grey level: 29. Full refresh time: 15s10. Refresh power: 26.4mW(typ.)11. Standby power: <0.017mW12. Viewing angle: >170 degreePackage Contents1. 2.13 inch e-Paper HAT (B) x12. RPi screws pack (2pcs) x13. PH2.0 20cm 8 Pin x1Specification: Package Weight One Package Weight 0.03kgs / 0.07lb One Package Size 8cm * 6cm * 2cm / 3.15inch * 2.36inch * 0.79inch Qty per Carton 840 Carton Weight 15.00kgs / 33.07lb Carton Size 56cm * 36cm * 40cm / 22.05inch * 14.17inch * 15.75inch Loading Container 20GP: 330 cartons * 840 pcs = 277200 pcs40HQ: 767 cartons * 840 pcs = 644280 pcs