Features: High performances coppers heatsink for 5, ensuring efficient thermals dissipation and stable operations under heavy workloads. with coppers materials for superior heat conductivitys, featuring not tool installation for compatibility. for single board computer enthusiasts, builders, and hobbyists cooling for high performances computings projects. for intensive tasks like gaming, programming, or multimedia processing, maintaining temperatures during extended usage. Engineered to extend device lifespan through heat dissipation while preserving for 5 form factor and performances integrity. Specifications: Product Materials: coppers Operating temperature ranges: -20°C~70°C Product size: 15x15x5mm (large) 13x12x5mm (small) Package Includes: 1PC Heat sink (15x15x5mm) 1PC Heat sink (13x12x5mm) note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.