Precisely crafted hole positionEasy to installThe black aluminum alloy material can reduce the temperature of the orange pi board in use to a certain extent, and the heat diipation function is stronger.Aluminum alloy paive heat diipation works more efficiently and better protects the motherboardThe black and simple design perfectly fits the interface of the corresponding motherboard.Applicable model:For Orange Pi 3 LTSSize:85x56x22mmNote: Not Included for Orange Pi 3 LTS MotherboardColour:blackMaterial:aluminum alloyPackage Contents:2 x Aluminum Alloy Upper Cover2 x Aluminum Alloy Lower Cover2 x Screw Pack6 x Heat Conducting Pad2 x Cooling Fan2 x ScrewdriverOnly 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.