Features: Easy installation: Reasonable product design, simple and convenient installation Durable and sturdy: The product is made of high-strength and durable materials After fine processing, it has good durability and the ability to operate stably for a long time. The compact design makes it compact and occupies less space, making it easy to use in limited assembly environments. For RaspberryPi5 Official Cooling Fan Replacement or Other Fixed Fan Radiator Specifications: A: Size: approx 30x30x7mm/1.18x1.18x0.27in Interfaces: 4-pin JST Applicable: Suitable for fixing on the casing B: Size: approx 30x30x7mm/1.18x1.18x0.27in Interfaces: 4-pin JST Applicable: Suitable for fixing on the casing Function: With LED blue light C: Size: approx 30x30x7mm/1.18x1.18x0.27in Interfaces: 4-pin JST Applicable: Spare replacement RaspberryPi5 official heat dissipation blower or other fixed blower heat sink Package Includes: 1PC Cooling Fan note: Please allow 0-1cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.