Specifications:<br> - Fan Size: 30x30x7.5 mm (LxWxH)<br> - Wire Length: 2.6 inches (66mm)<br> - Connector: One-to-Two pin<br> - Color: Black<br> - Bearing Type: Hypro Bearing<br> - Operating Voltage: DC 3.3V - 5V<br> - Start up Voltage: DC 3V<br> - Noise Level: 15.92dBA<br> - Life Time: 30,000 hours<br><p> Suitable for Raspberry Pi B / Raspberry Pi B+ / Raspberry Pi A+ / Raspberry Pi 2 and Pi 3 Model B+ / Raspberry Pi 3 / Raspberry Pi 4/ Pi Zero/Zero W<br><p> Package Including<br> 2 X Cooling Fan<br> 8 X Nuts <br> 8 X Screw <br>