Features: Aluminum alloy case designed for Raspberry Pi 3 Model B / 2 Model B / B+. Solid aluminum alloy material, which can make the case more durable. CNC manufacturing. Precise size. Anodic oxidation process. Reserved fan hole for easy installation of cooling fan. Slotted bottom design for easy installation of GPIO cable and other traces. Specification: Condition: 100% brand new and high quality Material: Aluminum Alloy Color: Black, Silver (Optional) Size(L * W * H): 103 * 68 * 41mm / 4.1 * 2.7 * 1.6inch Package Weight: Approx. 36g Compatibility: For Raspberry Pi 3 Model B, for Raspberry Pi 2 Model B, for Raspberry B+ Package Included: 1 x Case 1 x Fan 1 x Screwdriver 1 x Pack of Screw Note: 1. Please allow 1-3 mm error due to manual measurement and make sure you do not mind before ordering. 2. Please understand that colors may exist chromatic aberration as the different placement of pictures. 1、Aluminum alloy case designed for Raspberry Pi 3 Model B / 2 Model B / B+. 2、Solid aluminum alloy material, which can make the case more durable. 3、CNC manufacturing. Precise size. Anodic oxidation process. 4、Reserved fan hole for easy installation of cooling fan. 5、Slotted bottom design for easy installation of GPIO cable and other traces.