12W Output Power The 12W laser engraving machine offershigher engraving speed and greater cutting depth,making it capable of handling a wider range of materials,including those with higher density.Higher power allows for more intricate engraving effects. More Accurate Engraving The laser engraving machine is equipped with a precise caliper, which allows the object to be more accurately determined. The engraving area makes the work more convenient and efficient. Clean, Efficient With Air Assist No more dirty surfaces or wasted material. Thanks to our built-in air-assist device, you get neat results in one pass, making every engraving job a breeze.Reserved space for installing air assist accessories to make the air assist function more efficient (need to be purchased) Limit Protection Function The laser engraving machine's work limits the engraving area position and stops automatically. It can prevent the laser engraving machine from being damaged, improve safety, extend service life, maintain consistent performance, and save costs.