$109.99 (as of 16/11/2018 23:04 PST details )
Features:
- 450nm 2500mW 12V High Power TTL Adjustable Focus Blue Laser Module DIY Laser
- Professional laser head with high speed, high precision and high stability
- Bright blue violet light, easy to locate when engraving
- Can be used to engrave bamboo, leather, paper, PCB or other materials , easy to install
- Suitable for DIY engraving machine, easy to install