Cooling Fan Expansion Board for Raspberry Pi 4B withWhite LED Atmosphere Lamp Heatsink

Note The raspberry pi board is just shown on the picture   Features   1 The fan is installed with active cooling The cooling effect is better than passive cooling Compatible with all versions of Raspberry Pi 2 The pin identification is clear and the GPIO function is clear at a glance All GPIOs are led out and heat dissipation does not affect development and use 3 The switch controls the cooling fan and LED it is recommended to turn on when using the Raspberry Pi 44 The icon of the monkey heat sink can be installed to reveal the LED color light Using special PCB technology glare effect 5 Note that the fan can be operated stably for 5 minutes After the Raspberry Pi is turned on the temperature will gradually rise   Package Included   1 x Cooling Fan Board  with screws heatsink