No backlight, keeps displaying last content for a long time even when power down Ultra low power consumption, basically power is only required for refreshing Standard 40PIN GPIO extension header, supports series boards, Nano SPI interface, for connecting with other controller boards like Raspberry//Nucleo, etc. Onboard voltage translator, compatible with 3.3V/5V MCUs Operating voltage: 3.3V~5V Interface: SPI Outline dimension: 170.2mm x .2mm Display size: 163.2mm x 97.92mm Dot pitch: 0.205 x 0.204 Resolution: 800x480 Display color: black, white Grey scale: 2 Full refresh time: 5s Refresh power: 38mW(typ.) Standby power: Less than 0.017mW Viewing angle: 170 Material: PCB colour: white+blue Package Contents: 1 x 7.5inch e-Paper 1 x e-Paper Driver HAT 1 x RPi copper column package (2PCS set) 1 x PH2.0 8PIN cable 20cm Only 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.