New - NEJE 405nm-450nm Laser Module Adjustable Focus PWM Modulation for NEJE Master Laser Engraver Deep Engraving Desktop Logo Printer 3.5W

The package includes: 1 module 2 x screws 2 washers 1 x control cable NEJE 405nm 3500mW laser module specifications: Wavelength 405nm Heatsink size 30*60mm Material copper + aluminum Weight 116g Input 12V 280mA (about 3500mw) Output optical power 600mw Pulse width modulation 20KHz / 3.3V Temperature sensor yes Focusing range 10mm-50mm (best at 10mm) Optimal focal length at 10mm distance from light exit Focus diameter 0.01mm Built-in driver position Power Adjustable PWM can be adjusted Driver protection surge protection, overvoltage protection Input power about 12V