Modulation frequency: ttl can be modulated, 0v-off, 5 open, switching frequency. Operating voltage: DC = 12. It will be 100% of the laser intensity when you directly connect it to power supply. Please do NOT use it more than 10 minutes in that condition. Or else the laser would be burnt out.
It does NOT work on any curved or cambered surfaces. DO NOT provide software and installation support. Please do reaserch and DIIY it by yourself. Return must include all original package and accesorries, item must in good condition.Please do NOT leave negative or neutral feedback without asking for help. We will try our best to solve your problem to your satisfaction. We are always here with you! The item "15W Laser Head 450nm 15000mW Engraving Module Wood Carving for DIY CNC Engraver" is in sale since Sunday, May 12, 2019. This item is in the category "Computers/Tablets & Networking\3D Printers & Supplies\3D Printer Parts". The seller is "bulkman3d" and is located in GuangDong. This item can be shipped worldwide.