The module is safe, reliable, and scalable for various applications. The expansion board features a double-layer design with pin headers on both sides. Offers good stability and high reliability. This breakout board expands the 1 GPIO pin of the ESP32-S3 board to 2, allowing full pin reuse and serving as a useful tool for your projects. Made from high-quality materials, durable and sturdy. Number of PCB layers: 2 PCB thickness: 1.6mm Model: ESP32-S3 Compatible with N8R2 and N16R8 development boards. Design variations may occur between batches, including differences in printed markings; these do not affect functionality. Color: Black + Green Material: Plastic Type: ESP32-S3 Expansion Board Package Contents: 1 x Expansion Board Note: The package includes only the items listed above; other products are not included. Note: Lighting conditions and monitor settings may cause slight color variations between the product image and the actual item. Measurement tolerance: +/- 1-3 cm.