1. Material: aluminum alloy
2. Fixed vent design
3. Hollow design, fast heat dissipation
4. Strong and durable, not easy to rust
5. The hole position corresponds to the motherboard interface one by one
6. Low density, strong corrosion resistance, high strength
7. For Raspberry Pi 3 Model B Pi 2/B +
8. Does not affect the WIFI signal, the side slot can be installed GPIO cable
9. USB, network port, audio, micro HDMI and power interface access