... Information:Model SF-1290 Tile Ceramic Laser Engraving Processing area1200*900mm(2.95'*3.94')Laser tube60W-120WCutting speed0 - 24,000mm ... - 45°COperating humidity8 - 95%Power supplyAC 110 - 220V ±10%, 50 - 60HzGross power<1,000WAuxiliary equipmentsExhaust-fans, air-exhaust ... thicker than 50mm), atuo-focus attachment is recommended, 10.Optional column-like system with multi-function circle cutting, ...