Features: This metal enclosure for 4B offer durability, solving the fragility of plastic cases while providing protectivein demanding industrial environments. Featuring unique mounted design that boosts for heat dissipation without extra fans, along with easy assembly mechanism for quick installation, this case ensures perfect compatibility and stability. Ideal for professional developers, beginners, and users requiring precise fit, this enclosure caters to those seeking robust and user friendly for their projects. Suitable for diverse applications such as home automation systems, educational labs, and industrial settings, it supports flexible mounting like hanging installations. Engineered with metal, this mounted case enhances long term reliability Specifications: Component:Metal Size:Approx.91.5x64.5x38.5mm/3.6x2.54x1.51inch Package Includes: 1Pc Metal Enclosure note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.