Description of 5.5W 450Nm Blue-Violet Laser Module Kit For CNC Machine 3018 - TTL/PWM Engraving Head
--Adjustable focus laser: Size: 40*70. The focus of the laser lens can be adjustable according to your need. This operation can be done by spinning the laser lens. --Easy to Use: No instructions needed, just plug it to the laser port of the driver board, then it works. --Application: Can engrave on :wood,leather,bamboo,Painted anodized aluminum,Paper,card,MDF. --Excellent Heat Dissipation: The distance between the heat dissipation holes is enlarged, which can dissipate the laser well. It is recommended to use 3-5 hours for heat dissipation. --Attention: The laser module cannot engrave light reflective and transparent materials.