1.3-inch OLED screen, self-luminous material, no backlight, ultra-low power consumption, normal display is only 0.06W. Blue display. 128x64 resolution, the display effect is clear and the contrast is high. The viewing angle is greater than 160°. Even small fonts are easy to read. Wide voltage power supply (3V~5V), compatible with 3.3V and 5V logic levels, no need for level conversion chips. Embedded driver IC: SH1106. Using the IIC/I2C bus, only 2 IOs are needed to light up the display. Compatible with R3 board and Mega, Raspberry pi, 51 MCU, STIM 32 etc. Provide underlying driver technical support(Contact us for instructions).