Feature : 1. The case can be used with cooling fan , that will provide the best heat dissipation together with heat sinks , which can extend the using life for Raspberry Pi . 2. You can through the GPIO cable by the side of case . The camera , SD card , power , USB , Ethernet , audio interface also access on this case . 3. ABS material is harder and lighter than acrylic case , provide better protection for Raspberry Pi . 4. 4 color available to choose , be friendly with people love appearance. 5. Except for the black color , other color are translucent , you can see the for raspberry pi through the case . 6. There is a hole on the buttom of case , so you can hang the case on the wall . Specification : Color : Black , Blue , Red , Transparent Material : ABS Plastic Use for Raspberry Pi 3 Package List: 1 x Protective Case 1 x Cooling FanIncluding mounting screws and nuts