How to Use: Install and use directly. Specification: Item Type: Module Power: 20W Optical Power: 5W Material: Aluminum alloy, ABS Wavelength: 450nm±5nm Spot Shape: Point Accuracy: 0.01mm Input Voltage: 12V 3A Fan Voltage: 12V Cutting Depth: Approx. 3 ~ 5mm / 0.12 ~ 0.2in(depending on different materials) Cutting Speed: 100mm/min Working Temperature: 0℃~70℃ Service Life: 10000H Engravable Materials: Wood, bamboo, cardboard, plastic, leather, PCB board, alumina, non reflective plating and lacquered metal, nigrescent utility knife Cuttable Materials: Cardboard, non woven fabric, veneer, acrylic, some thin plastic sheets Interface Parameters: 3Pin(12V, GND, PWM) Package List: 1 x Module 1 x Cable 1 x User Manual 1 x Fixed Board 1 x Hex Wrench 4 x Screw 2 x Washer