405nm 200-500mW Laser Adjustable Focus Laser Module For Engraving Machine Printer Cutting PWM TTL Control

parameter
Output wavelength: 405nm
Output power: 200mW 300mW 500mW
Working voltage: DC12V
Operating current: 200-250mA
Best engraving distance: 20-200m
Working frequency: 0-20KHz
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