Narrow bezel, small size, and equipped with level conversion circuit Using I2C interface communication, good compatibility and fast transmission speed The 0.49-inch OLED module uses a black and white display with a pixel size of 0.155 x 0.155mm Using SSD1315 driver chip Working voltage:3.3V or 5V Resolution:64 x 32 pixels Communication interface:I2C Display size:14.4 x 11.5mm Display panel:OLED Pixel size:0.155 x 0.155mm Control chip:SSD1315 Colour: Material:PCB Size:15.50x13.00mm Package Contents: 1 x 0.49inch OLED Module 1 x MX1.25 4PIN Cable 20cm Only the above package content, other products are not included. Note: Light reflection 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.