... equipped with water cooling circulation system, spray nozzle, specially designed for stone, glass and soft metal processing. Easy operation, sturdy, durable ... most non-metal and some soft metal materials, for example, acrylic, PVC, Foam board, stone, copper, aluminum, plastic plate, wood, glass ... SupplyAC 110V-240V, AC380V. 50Hz or 60HzSample pictuer: hot sale granite stone laser engraving machine