450nm 1.6W 2.5W 3,5W 4W Laser Adjustable Focus Laser Module For Engraving Machine Printer Cutting PWM TTL Control

450nm 1600mW 2500mW Laser Adjustable Focus Laser Module For Engraving Machine Printer Cutting PWM TTL Control

parameter
Output wavelength: 450nm
Output power: 1.6W 2.5W.3.5W.4W
Working voltage: DC12V
Operating current: 800mA.1.1A.1.4A.1.6A
Best engraving distance: 20-200m
Dimensions: 33mmx55mmx77mm
Product Material: Aviation Aluminum
Cooling method: radiator and cooling fan
Continuous work: 3-4h
Operating temperature: -40°C-80°C
Working hours:>8000h
Optical system: optical glass-plated lens