The Micro Connectors aluminum case with fan kit for Raspberry Pi 4 is made out of quality and durable aluminum. The precision-cut casing allows for easy access to all your ports and the durable aluminum looks sleek. The included active 40mm fan and heat sinks kit cools down the temperature generated from the board and prevents overheating. This is compatible with Raspberry Pi 4 Model B and comes with an USB-C 5V/3A UL listed power adapter with an ON/OFF switch. This Micro Connector aluminum case kit is the best choice for your Raspberry Pi 4.