405MD-20-1342 405nm 1mw Focusable Violet Blue Laser Dot Module 13x42mm 3V-5V Class 2 $14.08 B00TB5ICWI
405nm Focusable Violet Purple Blue 100mW Dot Laser Diode Module14.5x 45mm $23.99 B00TB5IEWG
405nm 10mw Dot Line Cross Adjusted Violet Blue Diode Laser Module with Heatsink and Driver In $16.30 B01A21QIHA
Q-BAIHE Industrial Green Diode Lasers 532nm 100mw Laser Dot Module 3.7V with Driver & Brass Housing $43.88 B01AEAMIQO