650nm 660nm Adjusted Red Laser Line Dot Cross Laser Diode Module 3V-5.5V 100mW Laser Dot/Line/Cross Module Focusable 13mmx42mm with US Power Adapter and Heatsink: Amazon.com: Industrial & Scientific
Amazon.com: Portable 808 Diode Laser Hair Removal Machine (3 wavelengths: 755nm/ 808nm/ 1064nm)(#2) : Beauty & Personal Care
Green Diode Lasers Industrial/ Lab 532nm 30mw Laser Dot Module 3v with Driver & Brass Housing: Amazon.com: Industrial & Scientific