OOTDTY1. Compaitable with Raspberry Pi 4B / 3B+ / 3B / 3A+
2. Compatible with all versions of raspberry pin definition
3.Clear pin definition by silkscreen on PCB, GPIO function fully displayed. All GPIO pins are pulled out, So when the Raspberry Pi is being cooled, its development function will not be affected.
4.The dual cooling fans are designed for active cooling mode, the heat can be discharged in time.
5.LED and fan both have independent switch, you can control the LED and fan separately, it will not bring the dazzing feeling when you use it in the night.
1xExpansion board module with double Fans and LED
4xCopper column(column double pass M2.5*17mm)
8 x Screw( M2.5*5 countersunk screw)
1 x Screwdriver
1x plastic bottom base
2x Raspberry logo label
4x PCB Spacer