It is made of aluminum alloy with good corrosion resistance, oxidation resistance and thermal conductivityBased on the for Raspberry Pi Zero motherboard, the size and positioning holes are suitable for Zero, and the heat dissipation is fast.CNC process, perfect matching of the for Raspberry Pi motherboardLarge thermal pad, passive cooling.Easy to assembleApplicable model: For Raspberry Pi Zero 2 W /zeroColour:blackMaterial:Aluminum alloyPackage Contents:1 * Heat Sink3 * Thermal Pad1 * Cross Sleeve1 * Screwdriver1 * Screw PackOnly the above package content, other products are not included.Note: Light 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.