1. Designed for Laser Engraver, 3D printer, CNC mill, Arduino project. 2. 15W Optical power output, 4mm plywood from 1 pass(speed 200), 3mm black acrylic board from 1 pass. Able to engrave stainless steel, but it needs good focus adjustment. 3. More Safety, Built-in protective glass to protect eyes! Even without wearing protective glasses, the operation is more comfortable. 4. More Quiet, Intelligent drive adjust the cooling fan speed according to laser temperature. 5. Easy use, Digital PWM wave pulse signal generator adjustable frequency duty cycle board for NEJE laser module. 6. Slidable mounting fixture is provided for easy adjustment of focus. Specification: 1. Heatsink Material: Aircraft Aluminum + Brass Shell 2. Luminous Color: Blue 3. Section Size: 40mm x 40mm 4. Cooling Mode: Temperature sensor intelligent control + 10000 rpm 40mm cooling fan 5. Dimension: 60 x 40 x 40mm 6. Adapter Plug: 5.5 2.1 port 7. Can Engrave: MDF/Balsa/Paper/Wood/Fabric/Plastic/Leather/Plywood/Foam Paper/Anodized Aluminum/Mirror Stainless Steel 8. Can Not Engrave: Metal/Glass/Stone/Ceramics/PCB/Stainless Steel/Reflective Material/ Transparent Material Technical Parameters: 1. Module Input: 30-40W 2. Optical power output: 15W 3. Wavelength: 445-450nm 4. Beam Shape: Dot (Focusable) 5. Working Voltage: DC 12V 6. TTL&PWM Modulation: YES, compatible with Both TTL & PWM Modulation 7. Input Voltage: DC12V 3-4A 8. PWM/TTL Input: DC3.3V-12V 9. Input Interface: PH2.0-4Pin (+,-, PWM/TTL, Temperature), 3Pin (+,-, PWM/TTL) , 2Pin+2Pin (+,-) + (PWM/TTL,-) 10. NOTE: Temperature interface can be disconnected 11. Drive Mode: External ACC 12. Safe temperature range:
