Features: This product doesnot include the mainboard webcam, fan, actual shipment depends on the configuration list. Preserved holes for mounting networking card；Preserved 4G module hole for SIM7600G-H 4G module. This metal case is specially for the 4GB version, providing protections. Crafted from quality materials, this case ensures excellent heat dissipation and features convenient holes for easy installation Offering a secure housing solution for your projects, allowing you to fully utilize the capabilities of 4GB mainboard Specifications: Material: Metal Size： mixed for 4GB Board Enclosure Package Includes: for 4GB Board Enclosure note: There might be some distortions due to different computer resolution. There might be size errors due to different computer resolution.