Features: Brand new and high quality Perfect for enthusiasts and developers, this board supports wifi connections, making it suitable for a range of applications. With its expandable capabilities, you can easily customize the board to meet your needs. Whether you're a professional or a hobbyist, this board is perfect for bringing your ideas to life. From building an automated system to implementing intelligent solutions, this board empowers you to create groundbreaking applications. Explore the possibilities and revolutionize your projects. Its powerful features, including internet connectivity and expandable functions, make it a valuable tool for any developer or enthusiast. Take your creations to new levels and make a difference. Specifications: Material: Plastic Type: A/B/C/D ESP32 MCU:ESP32-WOVERE Memory: Flash: 16MB PSRAM: 8MB Ethernet: RTL8201 Expandable: POE-expansion Built-in function: Ethernet+TF card Key: restart+boot ESP32S3 MCU: ESP32S3-WROOM1 Memory: Flash: 16MB PSRAM: 8MB Ethernet: W5500 Expandable: POE-expansion/camera expansion Built-in function: Ethernet+TF card Key: restart+boot Size: Approximately 5.9x2.8cm/2.32x1.1inches Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Includes: 1 Set in development board