... 1 x 1mmformatBMP, PLT, DST, DXF, and AICooling modewater-cooling and protection systemAuxiliary equipmentsExhaust-fan, air-exhaust pipeCompatible ... Different laser power:40W/60W/80W.Applicable materials:granite, marble, slate, pebble stones, natural stone, Ceramic tile. ... Applicable industries:Decoration, tombstone/grave stone, arts and crafts, phograghic studio, sign making, advertising etc.More ...