It engraves on gold, silver, brass, stainless steel, platinum, titanium wood, acrylic, glass, leather ect, but doesn't cut through metal. It can engrave inside and outside ring and bangles. It combines diode and pulsed infrared lasers with a blue laser for improved cutting. With resolutions up to 8K. Equipped with a high-definition LED touchscreen, it allows easy control and adjustment. And it is portable. Software user friendly.