Features: Specially designed for Raspberry Pi 2/3/B +. 2 pieces of aluminium cooling fins and 1 piece of copper cooling fin cool down circuit board to give a safe operation. Cooling fan for Raspberry Pi with large wind force and long service life makes heat dissipation super fast. Transparent enclosure box lets you know about the real-time condition of Raspberry Pi 2/3/B +. High quality enables this set of enclosure box, cooling fins, and heat sink to work for a very long time. Specification: Product type: Cooling Fan for Raspberry Pi Material: Metal, plastic Cooling fan: DC 5V 0.16A Suitable: For Raspberry Pi 2/3/B+ Cooling fin color: Black, silver for your choice Package size: approx. 20 * 15 * 4 cm/ 7.9 * 5.9 * 1.6 in Package weight: 75g/ 2.6oz Package List: 1 * Transparent Enclosure Box 3 * Cooling Fins 1 * Mini Cooling Fan 2 bags of Screws 1、Specially designed for Raspberry Pi 2/3/B +. 2、2 pieces of aluminium cooling fins and 1 piece of copper cooling fin cool down circuit board to give a safe operation. 3、Cooling fan for Raspberry Pi with large wind force and long service life makes heat dissipation super fast. 4、Transparent enclosure box lets you know about the real-time condition of Raspberry Pi 2/3/B +. 5、High quality enables this set of enclosure box, cooling fins, and heat sink to work for a very long time.