Advanced IoT Device: The ESP8266 development board is a compact yet powerful tool designed for IoT applications. Seamless Integration: Equipped with a serial port, this board ensures easy integration with other hardware components, making it ideal for both beginners and professionals in of electronic development. Wireless Capabilities: Enjoy the freedom of wireless connectivity that allows you to connect, control, and monitor your devices remotely without the hassle of extensive wiring. Due to different batches, there may be differences in product appearance and printed text, which not affect use. Specifications:B:MINI Colour: Material:PCB Package Contents: 1 * Development Board kit 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.