ITEM NAME:Protection Aluminum Alloy Case with Dual Cooling Fan for Raspberry Pi 4 Description: Slim design, easy to install. Made from aluminum alloy, lightweight and durable, not easy to rust. All ports and slots of the case perfectly fits for Raspberry Pi 4 computer model B. Open design can make sure that our CNC casing does not affect the Wifi signal. Comes with dual quiet cooling fan, built-in heatsink and thermal tape, which makes your Pi cooler than others. Size Chart: Size: approx. 86x56x24mm/3.38x2.20x0.94inch Package Includes: 1 Piece Metal Case For Raspberry Pi 4 4B 1 Set Installation Screw Kit SKU: 0032919073021528.All ports and slots of the case perfectly fits for Raspberry Pi 4 computer model B. Open design can make sure that our CNC casing does not affect the Wifi signal. 1 Set Installation Screw Kit. People always bought together with.