1. Can be used for laser cutting machine, laser engraving machine, CNC, DIY laser. 2. Original laser diodes, good-quality, Ensure service life 3. Built-in driver board, 20mm threaded copper core with thermal grease compound, Temperature sensorNEJE factory 48 hours 100% power aging test, Ensure long time working 4. Clear focus lens, not stray light, adjustable focal length. 5. Can carving MDF, balsa, paper, wood, fabric, plastic, leather, plywood, foam paper, anodized aluminum, etc.(Not suitable for iron or other metal). Specification 1. Heatsink Material: Aircraft Aluminum + Brass Shell 2. Luminous Color: Blue 3. Laser diode: 5.6mm laser diode 4. LD Current: 1.6A 5. Section Size: 30mm x 30mm 6. Cooling Mode: 20mm copper core + Heat Sink Groove+ Thermal silicone grease + 10000 rpm cooling fan 7. Dimension: 60 x 30 x 30mm 8. Adapter Output Voltage: DC 12V 2A 9. Can Engrave: MDF/Balsa/Paper/Wood/Fabric/Plastic/Leather/Plywood/Foam Paper/Anodized Aluminum 10. Can Not Engrave: Metal/Glass/Stone/Ceramics/PCB/Stainless Steel/Reflective Material/ Transparent Material Technical Parameters 1. Module Input: 10W 2. Laser Output Power: 2.5W (2500mW) 3. Wavelength: 445-450nm 4. Beam Shape: Dot (Focusable) 5. Voltage: DC 12V 6. TTL&PWM Modulation: YES, compatible with Both TTL & PWM Modulation 7. Input Voltage: DC12V 8. PWM/TTL Input: DC3.3V-12V 9. Input Interface: PH2.0-4Pin (+,-, PWM/TTL, Temperature), 3Pin (+,-, PWM/TTL) , 2Pin+2Pin (+,-) + (PWM/TTL,-) Package Included - 1 x 2.5W Laser Engraving Module - 1 x 4 Pin Sport Cable - 2 x Screw - 2 x ABS cushion post - 1 x L-shaped wrench