This mini OLED is designed for Raspberry Pi, it can work with Pi 1, B +, Pi 2, Pi 3 and Pi Zero. The PiOLED comes with a monochrome 128x32 OLED, with blue pixels. The OLED screen uses only the I2C pins so you have plenty of GPIO connections available for LED sensor buttons, etc. It is also nice and compact so that it fits in any case These screens are small, only 1Inch diagonal, but very legible due to the high contrast of an OLED screen This screen is made of 128x32 single OLED blue pixels, no backlighting is required Using the screen is very easy, our Python library will guide you to draw images, text, make animations or simple video It comes completely pre-assembled and tested so you do not need to do anything else than plug it in and install our Python code. Characteristic: 6 pin header Voltage: 3.3 v Use 2 GPIO pins Interface: CII 0x3c: SSD1306 Note: only screen module, without for Raspberry Pi board. the printed characters are slightly different, which does not affect the use. Colour:Blue Material:Metal+Plastic Package Contents: 1 * 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.