High Precision 3D Printing Laser 405nm 250mW Dot Laser Module Spot
650nm 250mw High Power Red Laser Cutting Machine 3.3v 5v Diy Engraving Machine Wood Chip Plastic Bamboo Make Look - Woodworking Machinery Parts - AliExpress
12V Mini Laser 250mw White RGB Laser Dot Module & 5V TTL Control Colorful Laser Module: Amazon.com: Industrial & Scientific
Quad Red + Green Laser 250mW | Z Lighting
Red Dot Focusable 200mW-250mW 650nm Laser Module Laser Generator Diode Replacement Mini DIY Engraver Power Tools Accessories Set - BeamQus