Description Resolution is 128 x 32; viewing angle is more than 160 degrees; supported voltage is from 3.3 V to 5 V DC; consumption in normal operation is 0.04 W, full screen lighting is 0.08 W; size: approx. Each 38 x 12 x 3.6 mm Convenient -luminous design, the OLED display module is -illuminating, so no backlight is needed; it has high , and clear dots are convenient for you to read tiny fonts Driver and Communication: Embedded driver IC is ; Communication is IIC/I2C interface, only need 2 I/O ports. This 0.91inch OLED module is designed to display graphical information and information directly on your microcontroller project. with for , , 51 MCU, STIM 32 etc. There are no fonts embedded in the OLED controller, so users can the font generation software to create the fonts Display font color: white colour:Black+blue Material:Plastic + Metal Package Contents: 6 x OLED Display Modules Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: Please allow slight errors due to manual measurement. Please make sure you don't mind before bidding. Color may vary depending on your monitor, please understand. Note: Hello, please pay attention to your shipping address when purchasing products. If your delivery information (e.g. name, street, house number, doorbell/email without name, etc.) is incorrect, the order will not be delivered correctly