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