1.5W Adjusted Blue Laser 445nm/447nm/450nm 1500mW Diode Laser Dot Module 12V TTL & Fan Cooling: Amazon.com: Industrial & Scientific
1000mw Industrial/Lab 850nm 1W Infrared IR Dot Laser Module 12V Burning Matches with TTL Fan Cooling & Long Time Working: Amazon.com: Industrial & Scientific
445nm 450nm 500mw Blue Laser Dot Module 12V TTL / 33x33x50mm & Long Time Working: Amazon.com: Industrial & Scientific
Amazon.com: 12V Circuit Power Supply Driver Board for 445nm 450nm 50mW-800mW Blue Laser Diode LD Module w/TTL : Electronics