Designed for 30-Pin wide body ESP32 development boards. This module is safe, reliable, and expandable for various applications. This breakout board expands a single GPIO pin on your ESP32 development board into two, making it easy to reuse all pins in your smart home projects. A great breadboard alternative! The expansion board features a double-layer design with pins connected on both sides. This ensures a stable and highly reliable circuit, eliminating poor contact and unstable signal transmission. This version comes fully soldered, saving you the hassle of soldering components yourself. It's ready to use right out of the box! Color: Green Material: Plastic Size: 6.6x6.3x1.05cm Package Contents: 1 * ESP32 Expansion Board 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 to be slightly different from the real thing. The permissible measurement error is +/- 1-3 cm.