Specification: _x005f_x000D_ Origin: Mainland China _x005f_x000D_ Color: Black _x005f_x000D_ Model: For Orange pi 5 chassis heat sink _x005f_x000D_ Material: Aluminum housing with fan kit _x005f_x000D_ Function: Cooling protection _x005f_x000D_ Shell size: About 100x62x22mm/3.94x2.44x0.87in _x005f_x000D_ Tip: For Orange Pi 5 is not included. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x005f_x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1 x Aluminum cover _x005f_x000D_ 1 x Aluminum base _x005f_x000D_ 1 x Cooling fan _x005f_x000D_ 1 Set x Silicone heat sink _x005f_x000D_ 1 Set x Screw set 1. High-quality Material: All-aluminum alloy material, which provides good protection for the main board and is conducive to heat dissipation. 2. Practical: The upper surface of the shell is designed with multiple grooves, which is more conducive to the distribution of hot air. 3. High Efficiency: The CPU, RAM and other modules are equipped with silicone heat conduction pads, which is more efficient in heat dissipation. 4. Compatibility: Applicable for Orange pi 5. 30x30 cooling fan to provide good passive cooling. (connected to 5V and GND pins)