5 Layer ABS Plastic Protective Case Enclosure Box Holder for Raspberry Pi 3 Model B 2B Description: 1. This is a 5 layers ABS case designed specifically for the Raspberry Pi 3 Model B, 2B. 2. Because the position of chip is different with 3B+, so this case is not support 3B+, but the case for 3B+ will release soon. 3. Compared with acrylic, ABS material is very strong and not easily damaged. 4. It provides the best available protection/accessibility for the Raspberry Pi 3 Model B and for Raspberry Pi 2 Model B. 5. This case is very easy to install and has good ventilation. 6. There is a GPIO open position with this case, easy to pull up and insert the GPIO pins, don't need to open the case. 7. Reserved ranked line hole for the camera, more convenient to use. At the same time can be used to heat sinks and the mini cooling fan.Required Fan Specifications: Side length: 30mm/1.18'' Thickness: < 10mm/0.39'' Color: BlackNote: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.