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445nm 5000mw 5W Blue Laser Head Engraving Module DC12V PMW Parameters:laser wavelength:445nm Output power: ≥5000mW Output stability: ±5% Safety class: Class 4 Light spot shape: Square gentle spot Fixed focus distance: 23mm Focus size: 0*0 Lens material: reliable focusing optical lens Power supply board input voltage: DC 12V LD input voltage: 5V LD input current:3 Control mode: PMW management Control input voltage range: 0~5V Operating frequency: ≤30KHz Recommended ambient temperature: -10~40C Product size: 40* 40*98mm Product weight: 180g Service life: > ten thousand hoursPackage:1pc 445nm 5000mw Blue Laser engraving module