Focusable 200mw-250mw 650nm Laser Module Red Dot Laser Generator Diode Replacement Mini Diy Engraver Power Tools Accessories Set - Carbon Dioxide Lasers - AliExpress
650nm 250mW Red laser dot module with focusing DIY - BeamQus
Homemade 250mW Burning Red Laser - YouTube
Fat Beam Violet Blue 405nm 250mW Laser Diode Module for Lighting Effects | eBay
Buy TXINLEI 250mW 650nm Red Dot Laser Module, DC 3-5V Focal Adjustable Laser Head with Heatsink for DIY Laser Engraver Machine Online at desertcartBermuda