Engraving Materials:; The machine can carve wood, plastic, acrylic, PVC, PCB, soft metal like copper and aluminum and other materials.; Can not carve: hard metal (such as brass, steel, iron, etc), jade and other very hard texture items.; The laser can not process metals.; Product parameters:; Machine Dimension: 281mm x 281mm x 287.5mm; Working Area: 126mm x 88mm x 38mm / 4.96" x 3.46" x 1.49"; Machine Material: Aluminum+Profile; Spindle: 775 Spindle (12-36V) (24V: 8000r/min); Stepper Motor: 2-Phase 4-Wire Stepper Motors (1.3A 0.25N.m); Lead Screw: T8 Lead Screw; Power Supply: 24V (110V-240V); Software: Grbl; Supported OS: Windows XP, Win 7, Win 8, Linux; Laser Power: 5500mW;