650nm 5mw Red Point / Line / Cross Laser Module Head Glass Lens Focusable Focus Adjustable Laser Diode Head Industrial Class - Integrated Circuits - AliExpress
LD 2.5V 650nm 100mw Red Dot Laser Diode Module Industry laser light 18x15mm 7456137716834 | eBay
Laser Diode - 5mW 650nm Red : ID 1054 : $5.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com: HiLetgo 10pcs 5V 650nm 5mW Red Dot Laser Head Red Laser Diode Laser Tube with Leads Head Outer Diameter 6mm : Industrial & Scientific