Jewelry Laser Engraving /Marking Machine are detailed as follow: Application: All kinds of ordinary metals and alloys(Iron,copper,aluminium,magnesium,zinc and all metals);rare metals and alloys (gold,silver,titanium);metal oxides,ABS material (electrical appliances case,daily necessities),ink (translucent key-press,printing products),epoxy resin(electronic components packaging,insulation. Highlights: imported UK ceramic condenser chamber, resistant to elevated temperature and corrosion,long life (8-10 years), high photoelectric conversion rate, no need to adjust the lifting plateform to focus when doing engraving within 3mm depth, The speed of making one-time 1mm engraving is 3 times than our OpponentLarge power,controled by eletric and software,tunableLow cost,without ink and other print consumablesScanned with high precision by galvo head24 hrs continuously working Depth: aluminium plate 5mm,steel plate 3mmSpeed:5mm x 5mm steel plate:0.6mm in 10 minutesTechnicalparameters: Max.Outout Power: 75W Laser Wavelength:1064nm Repetition Frequency: ≤50KHZ Standard Marking Scope: 100mmX100mm(optical) Marking Depth:within 1mm Marking speed: ≤7000mm/s Min.Line Width: 0.015mm Min.Charactor:0.3mm Repetition Precision: ±0.03mm Machine power:5KW Electric Power Demand: 220V/Single Phase/50Hz/8A Optical-Path System Size: 1200mm*190mm*200mm Controlling Size:600mm*600mm*800mm