Features: new and high quality Argon THRML Active Coolers fits on top of the RPi 5 to keep cooling while keeping the small form factor. Maximize heat dissipation away from the RPi 5 with the large aluminum heatsink. Tunnel Type Radiator heatsink design to maximize synergies with the active cooling from the 30mm PWM blower fan. Integrated 30mm PWM blower fan helps cool down the RPi 5 faster. Quick snap on and push pins for easy mounting on RPi 5. Specifications: Material: Aluminum Color:Black/Silver Input voltage: DC5V supplied via four-pin fan header on RPi 5 Fan speed control: Pulse width modulation control with tachometer Airflow: 1.09CFM Fan speed: 8000RPM +/-15% Package Includes: 1x Active Coolers note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.