No backlight, power can be a long time to maintain the display of the last screen low power consumption, basically only on refreshSPI control interface, can access for / Nano//STM32 and other main control boardOnboard level conversion chip, compatible with 3.3V and 5V microcontroller interface complete information manual (for / Nano//STM32 and other sample programs)SpecificationWorking voltage: 3.3V/5VCommunication interface: 3-wire SPI, 4-wire SPIDimensions: 89.5x 38mmDisplay size: 66.89 x 29.05mmResolution: 296 * 128pixelsDisplay color: Gray level: 2Partial refresh: 0.3SRefresh power consumption: 26.4mW(typ.)Sleep current: Less than 0.01uA ( to 0)Viewing angle: 170color: blueMaterial: Plastic+MetalPackage Contents:1 * Display1 * 20cm Connection 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.