0.96 inch OLED Display Module, 128x64 Resolution, Yellow and Blue Display Color. Adopts 4-wire SPI and I2C interfaces, offering better compatibility and fast data rate. Narrow bezel, small size, with onboard voltage regulator. Operating voltage: 3.3V/5V (IO high-level voltage matches the power supply). Display colors: Blue and Yellow (1/4 yellow on the top). Operating temperature: -20C to 70C. Storage temperature: -30C to 80C. Viewing angle: 160 degrees. Comes with online development resources (examples for 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 be slightly different from the real thing. The measurement allowed error is +/- 1-3 cm.