Features 【Open Design】: While offering secure protection, the protective cover with open design will not affect the WiFi signal, very reliable. 【Application】: Specially designed for Raspberry Pi 3 model B B+, the enclosure casing allows for perfect matching, just install and use. 【Easy to Install】: Comes with hex wrench and screws, the installation is very convenient, which can be completed within minutes. 【Good Material】: The good aluminium alloy material with enhanced manufacturing process enables long term use, also not easy to rust. 【Quick Cooling】: With a dual cooling fan set, this protective casing ensures efficient heat dissipation and no more overheating problems. Specification: Item Type: Protective Case Product Material: Aluminium Alloy Surface Treatment: Anodic Oxidation Product Colour: Gold Compatibility: Suitable for Raspberry Pi 3 Model B B+.  Package List: 1 x Protective Case Upper Board 1 x Protective Case Lower Board 1 x Fan Set 4 x Thermal Silica 1 x Hex Wrench 12 x Screw Package List 1 x Protective Case Upper Board 1 x Protective Case Lower Board 1 x Fan Set 4 x Thermal Silica 1 x Hex Wrench 12 x Screw