Official Creality K1 Nozzle Kits, 5PCS Ender 3 V3 KE 3D Printer Hardened Steel Nozzles 0.4mm, High Speed Printing and High Flow Extruder Nozzles for Creality K1 K1 Max CR M4 CR 10 SE auspowers_batchfive Specifications: Input voltage range: DC6V 60V industrial_Aug2024_update Specifications: Input voltage range: DC6V 60V (the input voltage must be the same as the rated voltage of the motor) Output voltage: linear with load Output current: 0A 30A Direct Current: 20A Speed range: 0% to 100% Regulation method: potentiometer Type of regulation: regulation of the current Control frequency: 15KHz Type of wiring: screw terminal Package includes: 1 x speed controller Note: Please allow a small size error due to manual measurement Measurement flow range: Rotameter Water is made of plastic which extends the service life of the high speed printing nozzles High Speed Printing and High Flow Extruder Nozzles for Creality K1 K1 Max CR M4 CR 10 SE