The second channel can be used for another fan (eg to cool the stepper driver) or for adding light control (eg add dimmable LED light to your machine)

Brochure x 1

1x container with screw lid

Contents of the set:

75mm Color: black Weight: 750 g Material: CCF

Creality 3D - 50x50x10 - Axial Fan/Blæser - 12V Wiiboox - Light 130 - Reservedele The second channel can be50x50x10 12V Axial fan for your Creality 3D printer 3500 L100 Easy replacement Effective heat dissipation Silent and low noise Includes 2 shrink sleeves Fits to * CR 10 Mainboard * CR 10 S Mainboard * CR 10 S4 Mainboard * CR 10 S5 Mainboard The Creality 3D Axial Fan is without a connector and must be soldered or connected using solder sleeve which you can find here.