• Designed for The Raspberry Pi 4 -- This Fully vented Case with Fan is designed to keep your Pi 4 as cool as possible for optimal performance
• 2 Part Case With Easy Installation, Insert PI into Bottom Part,  and snap on top part
•  Compatible with 30mm x 30mm fan (Does NOT Include fan)
• Includes 1 Vented Bottom Base Part and 1 Top cover with a fan compatibility, an open GPIO port and camera module mount for easy access to all ports and maximum airflow

If you would like to upgrade and include a  fan you can add :
Standard Fan
LED fan for a cool light up look (works well with the clear case)
Configurable Fan if you would like to upgrade to a fan that can be auto controlled by RP OS.