Overview1. This is an E-Ink display module, 2.9inch, 296x128 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. SPI interface, for connecting with controller boards like Raspberry Pi/Arduino/Nucleo, etc.4. Onboard voltage translator, compatible with 3.3V/5V MCUs5. 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: 89.5mm x 38mm4. Display size: 66.89mm x 29.05mm5. Dot pitch: 0.138 x 0.1386. Resolution: 296 x 1287. 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 Contents1.2.9 inch e-Paper Module (B) x12. PH2.0 20cm 8Pin x1Specification: Package Weight One Package Weight 0.01kgs / 0.03lb One Package Size 89cm * 38cm * 1cm / 35.04inch * 14.96inch * 0.39inch Qty per Carton 40 Carton Weight 0.52kgs / 1.15lb Carton Size 89cm * 38cm * 60cm / 35.04inch * 14.96inch * 23.62inch Loading Container 20GP: 131 cartons * 40 pcs = 5240 pcs40HQ: 305 cartons * 40 pcs = 12200 pcs