High Power 1W 445nm Blue Laser Module 1000mw w/Heatsink & 6.7V~7.5V: Amazon.com: Industrial & Scientific
Blue Laser Module 445nm 0.5w 1w 1.6w 2.3w 2.6w 5.5w Dc12v Power Supply Ttl Pwm Control Signal For Laser Engraving Machine - Woodworking Machinery Parts - AliExpress
1000mW 445nm Laser Module 1W Laser Cutter Head CNC Laser Engraver Part TTL/PWM Modulation Focusing Laser For CNC Router - BeamQus
445nm 1W 1000mW Blue High Power Laser TEC Temperature Control Industrial Laser | eBay