Specifications:
Size: 0.91 inch OLED
Resolution: 128 x 32
Size: 38 x 12 mm
Operating voltage: 3.3V~5.0V power supply.
Interface type: IIC interface
Display color: white
Operating temperature: -40 ~ 85 celsius degree
Display area: 22.384 x 5.584 (mm)
Physical size: 38 x 12 (mm)
Pixel size: 0.159 x 0.159 (mm)
Pixel pitch: 0.175 x 0.175 (mm)

Pin description:
GND: Power Ground
VCC: Power + (DC 3.3 - 5v)
SCL: clock line
SDA: data line

Features:
*No backlight is required, and the display unit can be self-luminous. It has ultra-high contrast, bright and clear dots, and it is easy to read even small fonts.
*There are no fonts embedded in the OLED controller, users can create fonts through font generation software.

Note:
Do not reverse VCC and GND. This will cause damage to the OLED display.

Package includes:
5 x 0.91 inch OLED Display Module(white)
20 x Male to Female Dupont Wire