15W Laser Head Engraving Module Diode Metal Marking Wood Cutting For Engraver

One of the most powerful diodes available, upgrade your Wood engraver to a Metal Marking Machine.It can mark metal and stone, cut wood, foam and other materials easily.Focal length: can not be adjustedBody dimensions: length 50mm * wide 50mm * height 100mm (including fan) Wavelength: 445-450 (Blu-ray) Output Power:pulse 15W average 8WModulation frequency: ttl can be modulated 0v- Off 5v open pwm frequency <9Khz Operating Voltage: DC = 12V Working Current: <3A Focal length: 16mm Operating temperature: 15 C ~ 45 C Material: hard aluminum + brass Finish: Black anodized + sandblasting Heat dissipation: Fan Carving materials:stainless steel, iron, aluminum, ceramics, stone, wood, bamboo, leather, plastics, etc.