12V 445nm 4W blue laser Focusable CNC Cutter Engraver Engraving Laser Module

Host Dimensions: Length 55mm * wide 30mm * 30mm high

Output Wavelength: 445-450nm
Output power: 4W
Cooling method: aluminum heat
Modulation frequency: can be modulated
Operating Characteristics: continuous work
Finish: Black
Shell material: Aluminum
Circuit control: constant
Reverse polarity protection: with automatic identification of positive and negative
Operating Voltage: DC = 12V
Working Current: I <1.7A
Warm-up time: None
Working temperature: -10 ℃ ~ + 40 ℃
Storage temperature: -10 ℃ ~ + 40 ℃
Structural features: laser tube + lens + cooling housing
Note: The power for external.
Special note: input voltage of 12V, overpressure will cause instant damage circuits and modules

Focus glass lens