Features: The heatsink for 2 W boasts full aluminum construction for superior protections and efficient passive cooling, ensuring optimal device performances. Precisions cutting for the motherboard, while large thermal pad enhances heat dissipation and easy assembly simplifies installation. for 2 W enthusiasts, makers, and developers seeking cooling solution for electronics projects and educational setups. Perfect for use home automation systems, embedded computing environments, and prototyping labs where consistent thermal management. Featuring two GPIO options—colorful for easy interfaces identification and black to prevent connection errors and boosters functionality. Specifications: Materials: Metal Size:65x30x14mm Package Includes: 1PC Aluminum Heatsink note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.