Added chain, no need to worry about cable when engraving. The maximum engraving an area to achieve 100 100CM. Aluminum material, acrylic produced. It can adjust laser power by software. 100100 ultra large engraving area, gantry shape design, no engraving height limitation. Three stepper motor drive providing faster moving speed. Engraving power and long-term available. Can print any pictures easily. The software can directly import pictures, enter text, support simple dxf file. This machine is a full set of parts, required installed on their own, giving the purchaser to install software and tutorials. Sysytem Support;Win XP/7/8/10. Engrave Mode:Photo, Word, Scan, outline, Pixel Laser Engraving. Supported Formats:jpg, bmp, svg, G-code. Material:Stainless Steel and Acrylic. Working Voltage:DC 12V. Working Current:DC 5A. Laser Power:15W/30W/40W(Fixed Focus). Control Software System :CNC software. Engraving Area:100x100cm / 39.37 x 39.37inch (maximum). Optical Power Output:10w. Laser Tube: LD FAC C-Lens. Beam Shape:Dot (Fixed Focus). Operating Voltage:DC 12v. Module Size:40mm X 40mm X 152mm. Cooling Mode:12v 10000 Rpm 40mm Cooling Fan. Focus:0.080.08. Input Interface:xh2.54-3pin (+, -, Pwm/ttl). TTL Output Power:> 1k Hz Output Power = Continuous Power X 40%. Laser Class:class IV. Safe Temperature Range:15? Life Time:1500020000 Hours. Laser Cable Length:80cm. Heatsink Material:Aluminum + PCTG. Anti-static: Up To 25kv Static Electricity Can Be Eliminated. Shell: Frosted Material, Good Heat Dissipation. Magnetic Blower Protective Shell:constitutes An Air Duct, Has Good Heat Dissipation, And Protects Eyes And Lasers. Engraving Parameters Of Different Materials (For Reference Only). Plywood 2mm cut : 500mm/min, S1000, 1 Pass. Plywood 3mm cut : 450mm/min, S1000, 1 Pass. Plywood 4mm cut : 400mm/min, S1000, 1 Pass. Plywood 5mm cut : 240mm/min, S1000, 1 Pass. MDF board 3mm cut : 180mm/min, S1000, 1 Pass. MDF board 3mm cut : 120mm/min, S1000, 2 Pass. Black acrylic plate 3mm : 120mm/min, S1000, 1Pass. Black acrylic plate 5mm : 120mm/min, S1000, 2Pass. Two-axis board connection diagram. Three-axis board connection diagram. Control Board–GRBL 2 Axis. UPgrade:Control Board–GRBL 3 Axis:(Work with Z axis kits).