ITEM NAME:Dual Fan Cooling System Module &Heatsink for Raspberry Pi 3B, 2 Description: - Dual Fan Cooling System Module with Heatsink. - The radiator is combined with a high-quality oil-retaining structure fan and a pure aluminum heat sink. - 7MM 9-page cooling fan is fixed on the aluminum block with screw holes by 8 screws. - The back is equipped with a heat-dissipating sticker, which is simple and practical, and has a remarkable heat dissipation effect. - Suitable for Raspberry Pi 3B, 2, 1 development board. Specification: - Material: copper - Size: 57*25*13mm Package Included: 1Pcs Dual Fan Cooling module 1Pcs heat sink.Dual Fan Cooling System Module with Heatsink. - The radiator is combined with a high-quality oil-retaining structure fan and a pure aluminum heat sink. 1Pcs Dual Fan Cooling module. - 7MM 9-page cooling fan is fixed on the aluminum block with screw holes by 8 screws.