No backlight, keeps displaying last content for a long time even when power downUltra low power consumption, basically power is only required for refreshingStandard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards, Jetson Nano Onboard 4x KeysSPI interface, for connecting with other controller boards like Raspberry/ /Nucleo, etc. Onboard voltage translator, compatible with 3.3V/5V MCUsOperating voltage: 3.3V/5VInterface: 3-wire SPI, 4-wire SPIOutline dimension: 85mm x 56mmDisplay size: 57.288mm x 38.192mmDot pitch: 0.217 x 0.217Resolution: 264 x 176Grey scale: 4Full refresh time: 6sRefresh power: 24mW(typ.)Standby power: Less than 0.017mWViewing angle: Greater than 170degree: .com//2.7inch_e-Paper_HATColour:blueMaterial: PCBPackage Contents:1 x 2.7 inch e-Paper HAT1 x RPi screws pack1 x 20cm 8Pin CableOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store