Specification: Resolution: 128 * 32 Display color: blue, white (optional) IIC interface definition: GND (power ground) Vcc (positive power supply) SCL (Clock Line) SDA (Data Cable) Product size: 38 * 12 * 10mm/1.49 * 0.47 * 0.39inch Weight: 4g Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Included: 1 x 0.91 Inch OLED Module 1. High-Quality OLED Display: This 0.91-inch OLED LCD module offers a crisp and clear display for your projects. With a resolution of 128x32, it provides detailed and vibrant visuals. 2. Color Options: Choose between blue or white display color options based on your preference or project requirements. Both colors offer excellent visibility and readability. 3. Compatible with Multiple Voltage Levels: This OLED display is compatible with a wide voltage range from 3.3V to 5V. It can be easily integrated into various electronic circuits or microcontroller projects without the need for additional components. 4. Efficient Driver IC: The display is powered by the driver IC, which ensures fast and reliable performance. It enables smooth graphics rendering and seamless communication with your microcontroller.