Fit for 5 Reserve all interfaces, easier to use Support install cooling fan For 5 has higher performance and generates more heat. Fan can prevent overheating during operation Suitable for more usage scenarios with better heat dissipation effect Type: B-1 x Acrylic shell + 1 x Screw pack Note: 5 is not included Red cable of fan connects to 5V pin on GPIO and black cable connects to GND Bottom with hanging vent holes Tear off the film before using There is a protective film on the surface of the acrylic, please remove it before use Material: Acrylic Color: Transparent Package contents: 1 x Acrylic shell 1 x Screw pack (5 not included) Only the above package content, other products are not included Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the actual one. Measurement error allowed is +/- 1-3 cm