Package included: 4010 Blower Fan*2pcs and 4010 Axial Fan *2pcsDC 24V 0.07A operation voltage, 2-Pin connector, wire length approx:120cm / 47.2in. Fit for Ender 3/Ender 3 Pro/Ender-3 V2/Ender 5 series/Ender 6 series 3D Printer.Ender 3 4010 Fans with premium barring for absolute reliability and longevity. No more filament jams because of heat creeps, high-intensity work.Great replacement item for your all metal hotend or maybe a small cooling fan for your 3D printer nozzle setup,anywhere & electronic that need cooling.Easy installation and high-efficiency heat dissipation.Excellent Service: Each Extruder Hotend Fan has undergone a rigorous quality control ex works . If need further please fell free contact us, we very happy to assist you.