Features: Crafted from high-qualityy material, this case offer excellent durability and protectionfor your RaspberryPi3B 3B+ mainboard. for RaspberryPi3B 3B+, you can also use 3.5inch screen (optional)forRaspberryPi together with the case. The case is not completely closed, there are function hole on the top, such as GPIO, camera, cooling fan. There are many gaps at the bottom of the case, it helps to reduce the blocking the WiFi signal and better heat dissipation. You can hangthe case on the wall with the gaps. The optional screen is 3.5 inch 480x320 resolution TFT screen, has touchfunction Perfect size forRaspberryPi Specifications: Size:approx 91x62x34mm/3.58x2.44x1.34in Material:ABS for RaspberryPi3B 3B+ Optional Types: Only Case / Case with Cooling Fan/ Case with Display Screen 60frames Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-1cm error due to manual measurement. pls 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 Only Case / Case with Cooling Fan/ Case with Display Screen 60frames (Optional)