Built-in dual laser tubes,FAC design,high efficiency and stability.Built-in heat dissipation and intelligent temperature adjustment system to ensure continuous long-term work with low noise.The laser module can be used in 95% of cutting machines,CNC engraving machines and DIY laser engraving machines on the market.It supports various materials such as wood/MDF/leather/bamboo/plastic/paper to realize your DIY freedom and bring you endless fun.Designed with a magnetic protective case,it perfectly protects your eyes.Enjoy the engraving process without additional goggles,more comfortable and convenient.Fixed focus design makes it easier to use.Gift for buyers:1W+ sculpture design drawings are provided as a gift, and buyers can contact customer service after ordering.Including:multi -layer carvings,handicraft bundle bags,3D modeling design drawings,animals,flowers,jewelry,life of life,Christmas/Halloween/Easter decoration,3D architecture,car model puzzle and other design drawings.Module name:40WOptical power output:5.5WWavelength:450nmBeam Shape:Dot(fixed focues)Working Voltage:DC 12VInput Voltage:DC12V 3-4APWM/TTL Input:DC 0-5/12VInput Interface:3Pin (+,-,PWM/TTL),2Pin+2Pin (+,-) + (PWM/TTL,-)Module weight:202g ( The lighter the weight,the smaller the move inertia,the better the performance )Life Time:10000-20000 hoursHeatsink Material:Aircraft Aluminum+Blue ShellLuminous Color:BlueCooling Mode:Temperature sensor intelligent control + 10000 rpm 40mm cooling fanImportant hint! ! !1.The red line is the 12V positive pole,the black line is the negative pole,and the yellow line pwm is the positive pole (0-5/12V,0-20KHZ).If the Pwm of your control board exceeds 5V/12V,it will not be able to control the Pwm adjustment of the laser.Or you can choose to use our control panel.