Specifications:
Size: 0.91 inch OLED
Resolution: 128 x 32
Size: 38 x 12 mm
Interface type: IIC interface
Display color: blue or white
Pin description:
GND: Power Ground
VCC: Power + (DC 3.3 - 5v)
Operating temperature: -40 ~ 85 celsius degree
SCL: clock line
SDA: data line

Package includes:
5 x I2C OLED display module

Resolution: 128 x 32 0.91 Inch OLED display, no need backlight, self-illumination, Display Color: White.
Low power consumptio; SSD 1306 oled display; I2C oled display, IIC (I2C communications) simplifies connection.
Compatible with Arduino nano, R3 board, Raspberry Pi 4B/3B+/3B/2B/Zero,ESP8266, ESP32, STM32, etc.
Working power:3.3-5v, Operating temperature: -40 - 85 ℃.
What will you get: there are 5 pieces OLED display module OLED display module for you.