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Feature:
Driver IC: SSD1306
Size: 0.91 inch OLED
Resolution: 128 x 32
Size: 38 * 12 mm
Interface Type: IIC interface
Display Color: White

Pin Description:
GND: Power Ground
VCC: Power + (DC 3.3 ~5v)
Operating temperature:-40 ~ 85 ℃
SCL: Clock Line
SDA: Data Line

OLED display, no need backlight, self-illumination.
The 0.91 display performance is better than the traditional LCD display, also lower consumption.

Package Including:
10 X 0.91 Inch OLED display module
10 X 4 pin headers

0.91 inch OLED display, no need backlight, self-illumination, Display Color : White, Resolution: 128 x 32.
The I2c OLED display performance is better than the traditional LCD display, also lower consumption, high resolution OLED for any of your micro controller projects, 128x32 pixels gives you a nice sharp, crisp text output.
The 0.91 display performance is better than the traditional LCD display, it uses the very common I2C bus, and runs on the SSD1306 display driver.
0.91 oled compatible with ESP8266, ESP32, STM32, etc
The 12832 display can run on 3.3v. It is legible, even with 4 lines of text. Highly recommended for projects that require some form of user interface.