0.96 inch OLED display module, 128x64 resolution, yellow and blue display color. Uses 4-wire SPI and I2C interface, better compatibility, fast data rate. Narrow bezel, small size, with built-in voltage converter. Note: There may be differences in appearance, which do not affect the use. Operating Voltage: 3.3V/5V (IO high level voltage is the same as the power supply.) Display Colors: Blue and Yellow (1/4 yellow on top) Operating Temperature: -20C - 70C Storage Temperature: -30C - 80C Viewing Angle: 160 Comes with online development resources (examples for Arduino/for Raspberry Pi/STM32) Color: Blue Material: Metal Package Contents: 5 x OLED Display Module 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 to differ slightly from the real one. The allowed measurement error is +/- 1-3 cm.