CM5 IO Board Metal Case:Designed for Raspberry Pi official Compute Module 5 IO Board .Mini computer chassis, robust and dust-proof, nice looking. Comes with 40PIN GPIO adapter:the standard 40PIN GPIO header is still available, making it easy to connect sorts of HATs. Precise cut-out with clear label:each cut-out is completely aligned with the connector. Cooling fan included:comes with cooling fan, combined with the airflow vent, better heat dissipation. Application examples:Binocular Vision, PoE Powered Raspberry Pi Projects, Or Other Industrial Context. Colour:black Material:Metal Due to different batches, there may be differences in product appearance and printed text, which will not affect use Package Contents: 1 x CM5 Metal Case with Cooling Fan 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.