Compressed Spot Laser Module 10W Optical Power 450nm Fixed-Focus Laser 20W/40W Laser Head For CNC Engraving Machine 3D Printer _ - AliExpress Mobile
Focusable 150mW 650nm 655nm 660nm Red Laser Module Diode with 12V TTL
650nm 5mw Red Point / Line / Cross Laser Module Head Glass Lens Focusable Focus Adjustable Laser Diode Head Industrial Class - Woodworking Machinery Parts - AliExpress
250mw Dot Red Laser Module | Red Dot Laser Module Focus | 650nm 50mw Red Laser Dot - Woodworking Machinery Parts - Aliexpress