1、Compatible for Raspberry Pi 4B / 3B + / 3B/2B, fast cooling, no more overheating problems. 2、GPIO and all main connectors are easy to use, equipped with high‑quality thermal tape to better dissipate for Raspberry Pi board. 3、Using an improved manufacturing process, CNC aluminum alloy quality, strong and durable. 4、The box with small size, easy to carry and store, convenient to use and with good performance. 5、With strict quality control and quality assurance, high safety factor, can be used with peace of mind. 1 x Shell1 x Bottom Shell3 x Thermal Tape1 x Screw Pack1 x User Manual Item Type: Aluminum Alloy Case Material: CNC aluminum alloyFan: Without fanCompatible: For pi2B/3B/3B+/4B Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.