The module is safe, reliable and scalable to a variety of applicationsThe expansion board adopts a double-layer design with pin headers on both sidesGood stability and high reliabilityThis breakout board can expand the 1 GPI0 pin of the ESP32-S3 board to 2, perfect for you to reuse all pins and a great tool for your projectsMade of high-quality materials, sturdy and durableNumber of PCB layers: 2 layersPCB thickness: 1.6mmModel: ESP32-S3Applicable: Suitable for N8R2 N16R8 development boardDepending on the batch, the printed words on the product will be different, which does not affect useColour:Black+GreenMaterial:PlasticType: A: ESP32-S3 expansion board + N16R8 development board/B: ESP32-S3 Expansion Board/C: ESP32-S3 expansion board + N8R2 development board Package Contents:1x Expansion Board1x N16R8 Development Board/1x Expansion Board/1x Expansion Board1x N8R2 Development BoardOnly 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.