Cross Laser Diode - 5mW 650nm Red : ID 1058 : $8.95 : Adafruit Industries, Unique & fun DIY electronics and kits
650nm 5mw Red Point / Line / Cross Laser Module Head Glass Lens Focusable Focus Adjustable Laser Diode Head Industrial Class - Woodworking Machinery Parts - AliExpress
Laser Cross Line Module Green | Red Laser Cross Line Module | Cross Light Laser Line - Stage Lighting Effect - Aliexpress