Laser Medium Diode (DPSSL-Q Switch) Laser Wavelength 532nm Maximum Engraving frequency 5KHZ Laser Source 1 Resolution 800 dpi Engraving Dimension Max Ellipse (170*140mm)*100mm Engraving speed Max 180,000dots/min Input Power standard 220V/ 110V 50/60HZ Working Consumption of Electricity <0.6KW Dimension of The Mainframe L570mm*780mm*1000mm Cooling system air cooler Warranty: one year)