Features: 1. Active Cooler, Active Cooling Cooler 2. Paired With A Pure Copper Heat Sink, The Overall Heat Dissipation Is More Efficient Than Aluminum, And Is Specially Designed For The Heat Dissipation Needs for 5. 3. The Combination Of Active Cooling Fans Can for That The 5 Maintains A Suitable Operating Temperature Under High Load Conditions And Avoids Frequency Reduction At High Temperatures. 4. New Pure Copper Heat Sink Base Design, Which Is More Efficient In Heat Dissipation And Heat Conduction Than Aluminum Pure Copper, Allowing The Motherboard Temperature To Stabilize Faster 5. Active Radiator 1. Input Voltage: 5V DC via 4-pin fan connector on for Raspberry Pi5 2. Fan speed control: with PWM FG 3. Maximum airflow: 1.09CFM 4. Maximum fan speed: 7800RPM +/-15%. 5. Fan Size: 3007 Blower Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Material: pure copper colour: As Shown Package Contents: 1 x Cooling Fan Cooler 4 x Silicone Heat Conductor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.