Amazon.com: MakerFocus 20pcs 5V 650nm 5mW Red Dot Laser Head Red Laser Diode Laser Tube with Leads Head Outer Diameter 6mm : Industrial & Scientific
650nm 5mw Red Point / Line / Cross Laser Module Head Glass Lens Focusable Focus Adjustable Laser Diode Head Industrial Class - Woodworking Machinery Parts - AliExpress
650nm 5mw Adjusted Red Lasers Diode Dot Line Cross Laser Module Heatsink & Driver in: Amazon.com: Industrial & Scientific
Line Laser Diode - 5mW 650nm Red : ID 1057 : $8.95 : Adafruit Industries, Unique & fun DIY electronics and kits
650nm 6mm 5V DC 5mW Mini Laser Dot Diode Module
Amazon.com: 15pcs 5V 650NM 5Mw Red Dot Laser Head Red Laser Diode Laser Tube 6mm with Leads Head (15 PCS) : Industrial & Scientific