830nm 250mW Adjustable Focus IR Infrared Dot Laser Diode Module with 5V Adapter | eBay
650nm 250mW 5V Red Line shape laser module High power positioning instrument
830nm 250mW Adjustable Focus IR Infrared Dot Laser Diode Module with 5V Adapter | eBay
650nm 250mw Red Laser Dot Module , Adjustable Focal Length,High Power Laser DIY Engraving Machine Laser Head. - AliExpress
Buy TXINLEI 250mW 650nm Red Dot Laser Module, DC 3-5V Focal Adjustable Laser Head with Heatsink for DIY Laser Engraver Machine Online at desertcartCosta Rica
650nm 250mw Red Laser Dot Module , Adjustable Focal Length,High Power Laser DIY Engraving Machine Laser Head. - AliExpress