DIY Laser Module 0.5W/2.5W/3.5W/5.5W 12V With TTL/PWM Adjustable Focus Blue Laser Head For Engraving Machine And Laser Cutter

*Please wear the protective glass when you use the laser module.

*Do not touching the laser light directly in case that hurt the body and skin.

*Keep children and pets away from the laser module when it working.

*The Laser dot could not be adjusted, please make sure the distance between bottom of the laser module       and                  engraving material is 16mm(Use the plastic column to do it). Or it will influence the result.

*Please connect to the driver board carefully! The Red cord is 12V+, the black cord is GND-,the yellow cord is *Signal(S). Please make sure you know how to connect it,Otherwise it might damage the laser module!

Wave length:405nm/450nm

Power: 500mw/2500mw/3500mw/5500mw

Electric current: below 5A

Input voltage: DC12V

Working temperature:10 ~+40

Laser focus adjustable

TTL:0-5v, 0v off, 5v on, TTL control the frequency

Packing List:

–Laser*1

–3p-3p Cable*1

–3p-2p+2p Cable*1

–Glasses*1