Features: Brand new and high quality Perfect for enthusiasts and developers, this board supports wifi connects, making it suitable for a ranges of applications. With its expandable capabilities, you can easily customize board to meet your needs. Whether you're a professional or hobbyist, this board is perfect for bringing your ideas to life. From building automated system to implementing intelligent solution, this board empowers you to create cutting edges applications. Explore the possibilities and revolutionize your projects. Its powerful features, including internet connects and expandable capabilities, make it a valuable tool for any developer or enthusiasts. 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 Extensible: POE expansion On-board function: Ethernet+TF Card Key: restart+Boot ESP32S3 MCU：ESP32S3-WROOM1 Memory: Flash：16MB PSRAM：8MB Ethernet：W5500 Extensible: POE expansion/camera expansion On-board function: Ethernet+TF Card Key: restart+Boot Size:Approx.5.9x2.8cm/2.32x1.1inch Package Includes: 1 Set Development Board 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.