Description : 1PC Copper Heatsink Cooling Easy Install for Raspberry Pi A Pure Copper Heatsink to keep your Pi Cool Pure copper Heatsink For Raspberry Pi ,than aluminum effect much better. With Self-adhesive thermal transfer for easy application. Not Need to use fans to cool your Raspberry Pi Specifications: Dimensional : 13mm x 12mm x 5mm Material : Copper Optional accessories : PI controller, mini wireless mouse and keyboard, pi7 inch LCD screen, pi system of SD card, AV video line Package included : 1 x Heat Sink (12mm x 13mm x 5mm) (With Self-adhesive) Details pictures :