Features: 1. Full aluminum alloy material, good protection for motherboard, and be good to heat dissipation.2. The upper surface of the shell is designed with multiple grooves, which is more conducive to the distribution of hot air.3.The CPU, RAM and other module positions are provided with silicone thermal pads to make heat dissipation more efficient.4. 30 x 30 cooling fan passive cooling.5. Simple design, standard screw, easy installationSpecifications:Product name: aluminum alloy protection caseMaterial: aluminum alloyColor: blackAccessory Type: CasesCompatible With: for Orange 5Applicable product: for Orange 5 development boardPurpose: heat dissipation protectionFan: 30 x 30mm (5V)Product size:100 x 62mmPackage Contents:1 x Aluminum Case4 x Silica heater1 x Cooling Fan1 set x Screws Set1 x ScrewsdriverOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.