Feature:1. APPLICABLE MODELS: This metal enclosure is suitable for Raspberry Pi 3 3B+ 2B B+ models with good compatibility.2. ALUMINUM ALLOY: Made of excellent aluminum alloy material, lightweight and corrosion resistant, not easy to deform.3. GOOD PROTECTION: This aluminum alloy case has good heat dissipation capability and provides good protection.4. REASONABLE DESIGN: With reasonable ventilation, and the side slot can install the GPIO cable, and will not affect the WiFi signal.5. EASY TO INSTALL: Equipped with screws, and the metal protective case has compact size, easy to install and remove.Specification:Item Type: Cooling EnclosureMaterial: Aluminum AlloyPurpose: For Raspberry Pi protectionApplicable Models: For Raspberry Pi 3 3B+ 2B B+.Package List:1 x Aluminum Alloy Case4 x Screws