Viber Laser Machine 30 Watt power Usage period: two months Engraves on some types of wood, marble, ceramic, all types of steel, colored acrylic, pens, silver, gold, copper, and aluminum. Reason for selling: Lack of time to work. Machine details are shown in the pictures. Comes with two lenses, a foot pedal for repetition, and an Arabic software flash drive specific to the machine. The supplier is within Saudi Arabia, and it has a one-year warranty and training available from A to Z. The machine is very easy to use and is a productive machine, ماشاء الله (Masha'Allah). Please do not undervalue the item.