Features: Made from high-quality materials, this case offers excellent durability and protection for your Raspberry Pi 3B/3B+ motherboard. A 3.5-inch screen (optional) can be used with the Raspberry Pi and case. The case is not completely enclosed; functional holes are present on the top for GPIO, camera, and cooling fan access. Numerous vents on the bottom help reduce WiFi signal blockage and improve heat dissipation. The vents also allow for wall mounting. The optional screen is a 3.5-inch 480x320 resolution TFT touchscreen display – perfectly sized for the Raspberry Pi. Specifications: Size: Approx. 91x62x34mm/3.58x2.44x1.34in Material: ABS For Raspberry Pi 3B/3B+ Optional Types: Case Only / Case with Cooling Fan / Case with 60fps Display Screen Note: 1. Conversion: 1cm=10mm=0.39inch 2. Please allow 0-1cm error due to manual measurement. Please make sure you do not mind before you bid. 3. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 x Case Only / Case with Cooling Fan / Case with 60fps Display Screen (Optional)