Features: Acrylic case forOrangePi Zero 3 made of highquality, you can clearly see the technology behind the machine. This fully vented for case with heatsink are designed forOrangePi Zero 3 keep it as cool as possible Clear transparentcase with easy Installation insert forOrangePi into bottom part, connect fan and snap on top part Includes 1 pre installed fan, easy acsses to all ports Cooling fan version, with a larger heat dissipation andstronger wind. Each layer supports the installation of heat dissipation fins and fans Specifications: for Case Material: Acrylic for Case Color: Clear for : forOrangePi Zero 3 Acrylic-case Size:As Pictures Case Types: Type1/Type2 Fan Features:DCBrushless 5V Fan Package: Case with Cooling Fan and Heatsinks Note: Doesn't include OrangePi Zero 3 Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. Package includes: 1 Set x Acrylic Enclosure forOrangePi Zero 3