Features 1、High Engraving Performance: 10W optical power output, the minimum focal length of this module is up to 0.04mm, the engraving speed is up to 20000mm per minute, and the maximum cutting thickness is up to 20mm. 2、Adjustment Focal Length: The focal length of this module is adjustment, when adjusted to about 33mm, a focal length of 0.04mm can be obtained, suitable for engraving stainless steel or black aluminum oxide, etc., when adjusted at 55mm, the material can be cut up to 20mm. 3、Good Heat Dissipation: This engraver module is intelligent controlled by temperature sensor, with 10000 RPM 40mm cooling fan, has good heat dissipation. 4、Suitable Materials: The module can directly engrave ceramic, MDF, coated glass, black acrylic, plywood, brushed stainless steel, stone, bamboo, leather, rubber, alumina and other materials, reflective materials need to be painted with black paint on the surfaces when engraving. 5、Wide Compatibility: Compatible with most laser engraving machines, 3D printers and CNC milling machines on the market, has perfect compatibility, and also compatible with mature engraving software for LaserGRBL, for Lightburn etc. on the market. Specification Item Type: Laser Engraving Module Heat Sink Material: Aluminum Alloy and Brass Shell Model: A40640 Luminous Colour: Blue Section Size: Approx.40x40mm/1.6x1.6in Cooling Method: Temperature Sensor Intelligent Control, 10000 RPM 40mm cooling fan Product Size: Approx.85x50x40mm/3.3x2.0x1.6in Engravable Material: MDF, Balsa, Paper, Wood, Fabric, Plastic, Leather, Plywood, Foam, Anodized Aluminum Technical Parameter: Optical Power Output: 10W Wavelength: 445-450nm Beam Shape: Dot (Focusable) Working Voltage: DC 12V TTL and PWM Modulation: Support, compatible with TTL and PWM modulation Input Voltage: DC12V 3-4A PWM TTL Input: DC3.3-12V Input Interface: PH2.0, 4Pin (+,-, PWM TTL, Temperature), 3Pin (+,-, PWM TTL) , 2Pin and 2Pin (+,-) and (PWM TTL,-) Note: The temperature interface can be disconnected Drive Mode: External ACC Safe Temperature Range: <60℃ Digital PWM Wave Pulse Signal Generator Adjustment Frequency Duty Cycle for NEJE Laser Module Tester Board Specifications Power Input: DC 12V Output: PH2.0 4pin (12V, GND, PWM TTL, temperature) Modes: 3 Modes (Off, Manual PWM, PWM TTl in) Temperature Display: Yes PWM Display: Yes Manual PWM Control: Yes Package List 1 x Laser Engraving Module 1 x Sliding Slot 1 x Air Assist Kit 1 x Trachea 1 x Tracheal Adapter 2 x Washer 3 x Wire 1 x Digital PWM Wave Pulse Signal Generator Adjustment Board 1 x Interface Adapter Board 2 x Hex Wrench 1 x User Manual 5 x Screw