500mw 2500MW 3500MW 5500MW 7000MW 10000MW 15000MW diode laser module TTL PMW mix control 405NM 450NM blue purple laser with goggles wires for desktop wood laser engraving machine DIY use

Specifications:Size: 33*33*65mm
Wavelength: 405nm-450nm
Drive mode: external ACC constant current drive
Laser power: 0.5w / 2.5w / 3.5w / 5.5w /7W/10W/15W
Control mode: TTL/PWM
Working voltage: DC = 12V
Operating current: <3A
Cooling mode: forced air cooling
Material: aluminum, anodized surface
Material form: copper
(RE:7W 10W 15W laser focal length not adjustable, focal length 1.8cm.)
Work temperature:-47-75 degree
Frequency:0-30Khz