250mW Industrial laser modules red laser dot can work for long time with a good laser head cooling

1pcs Second-hand BDR-209 405nm 250mW-900mW Blue-purple Single Mode Laser Diode

Red Laser Dot Module 250mW 650nm High Power Laser With Focusing DIY Engraving Machine Laser Head

DC 3-5V Focusable 200-250mW 650nm Laser Module Red Dot Laser Generator Diode Replacement Mini DIY Engraver Machine Module

3-5.5V Power Supply Driver for 1-250mw 405nm Violet/Blue Laser Diode Module

ATOMSTACK M50 50W CNC Laser Module Kit 10W Laser Output Power for Metal Wood Granite Leather Laser Engraving Cutting Machines

Mini Full Color 250mW RGB White/Red/Green/Blue Laser Module High Brightness

5pc 650nm 660nm CW 250mw/350mw Push Red Laser Diode LD ML101U29-25

650nm 250mW Red Dot Laser Head CNC Engraver Focusing Module Dot Locator Adjustable Focal Length Laser Engraving DIY Part

NEJE master 2/2s/3 laser module 450nm blue laser, compressed spot 6W 10W for laser cutting machine CNC DIY laser engraving

250W 915nm QCW Or CW High Power Fiber Coupled Laser Diode Module

Red Laser Dot Module 250mW 650nm High Power Laser With Focusing DIY Engraving Machine Laser Head