ITEM NAME:Aluminum Alloy Protection Case Cooling Shell for Raspberry Pi 3 B 2 B/Pi 3B+ Description: Aluminum alloy case with CNC machining technology. cooling; no longer overheating. GPIO and all main connectors are easy to use. Equipped with 3 thermal tapes and a cooling fan for better heat dissipation of the Raspberry Pi board. GPIO port, HDMI port, USB port, Ethernet port, power port, A / V port, camera interface, display interface, Micro SD card slot can be used. Specification: Material: Aluminum Alloy Size: approx. 85x56.5x23mm/3.35x2.22x0.91inch Package Includes: 1 x Housing Shell 3 x Heat-conducting Tape 5 x Mounting Screws 1 x Manual.Equipped with 3 thermal tapes and a cooling fan for better heat dissipation of the Raspberry Pi board. 1 x Housing Shell. Aluminum alloy case with CNC machining technology. Material: Aluminum Alloy.