... voltage:220V,50-60HZ 3.40W power cheap and mini granite stone laser engraving machineFeatures:1. This ... 95%Minimum shaping characterEnglish 1 x 1mmformatBMP, PLT, DST, DXF, and AICooling modewater-cooling and protection systemAuxiliary equipmentsExhaust-fan, air- ... tile. Applicable industries:Decoration, tombstone/grave stone, arts and crafts, phograghic studio, sign making, advertising etc.More ...