Features: Ultranarrow bezel, compact size, withonboard voltage converter Adopting 4-wire SPI and I2C interfaces for better compatibility and fast data rate Provide online development resources (forRaspberryPi/RaspberrryPiPico/forArduino/forSTM32/forESP32) Highdefinition display: 2.42 inches 128×64 resolution OLED module has a highdefinition display effect, which can present clear and delicate images and text, providing a good visual experience. Easy to operate: This module is equipped with a simple and easy-to-use operating interfaces, allowing users to easily masteroperating skills, quickly get started, and make corresponding settings and display adjustments. Specifications: Working voltage: 3.3V/5V Display panel: OLED Resolution: 128×64 pixels Pixel size: 0.4×0.4mm Communication interface: 4-wire SPI (default)/I2C Driver: SSD1309 Display size: approx 55.01×27.49mm Module size: approx 61.50×39.50mm Display Color： White/ Yellow Optional Package Includes: 1 Set 2.42寸OLED Module Screen note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!