High Compatibility: Fully compatible with ESP8266, the ESP-02S module features the advanced ESP8285 chip for superior performance. Enhanced Connectivity: Offers reliable wireless transparent transmission, ideal for IoT projects and smart home applications. Compact Design: The module's small form factor with serial communication is perfect for space-constrained applications. Easy Integration: Designed with a golden finger package, it ensures easy installation and robust connections in various electronic assemblies. Due to batch variations, product appearance, color, and printed text ; this does not affect performance. Color:As Shown Material:PCB Package Contents: 10 * ESP-02S Wi-Fi Module 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.