405nm 100/180/300mW Blue Violet Dot Laser Module Variable Focus TTL/PWM Modulation w/ Heat Sink 2.54-3P for DIY Laser En

Specification Material Aluminum BrassLaser Lens Material 100mW Laser Module PMA Lens Acrylic 180mW Laser Module PMA Lens Acrylic 300mW Laser Module Glass Coated with High Permeability FilmLaser Wavelength 405nm Blue Violet0Bead Shape Dot Variable Focus Working Voltage 12VDC 8 15V Optical Power 100mW 180mW 300mWTTL PWM Modulation YESInput Interface XH2 54 3PCooling Method Natural Convection Optical Power Working Current Rated Power 100mW 80mA0 96W180mW 125mA 2 16W300mW 300mA2 4WFeature 1 Made of high quality hard aluminum and brass material the surface is by anodized and sandblasting not easy rust very durable 2 With heat dissipation fan make it with longer service life 3 Output optical power is stable suitable for industrial equipment usage 4 3 Pins plug TTL PWM drive mode suitable for laser engraving machine equipment usage This module can be compatible with TTL or PWM modulation But it can just select either function at a time while TTL can control the switch on off and PWM can control the adjustment of laser power 5 Can Engrave MDF Balsa Paper Wood Fabric Plastic Leather Plywood Foam Paper6 Can Not Engrave Anodized Aluminum Ceramics Stone Stainless steel Metal Glass PCB Reflective Material Transparent MaterialNote 1 This laser module has high output power please wear goggles when testing or using 2 Do not touch the laser light directly in cases that hurt the body and skin 3 Keep children and pets away from the laser module when