It can be access to all ports and slots of Raspberry Pi 4 Model B, such as usb-c power port, micro hdmi ports, audio port, usb ports, sd card slot, camera port, gpio port, display slot and so on;Heatsink pads cover all heat generating components except wireless.^ The thermal tapes can help this aluminum alloy case close to the heating chip for better heat dissipation; ^ The fan has a better quiet effect and a better cooling effect for Raspberry Pi 4 Model B;Thermal pads actually make contact with heatsink and all components.^ The case has an acrylic window on the side that improves wireless/bluetooth performance and makes status lights visible,provides micro sd access, camera cable passthrough.^ Package Includes:1x Aluminum Alloy Case with Fan for Raspberry Pi 4 Model B