Violet/Blue Focusable 405nm 20mW Line 3-5V Laser Diode Module 13x42mm
405nm 20mW Violet/Blue Focusable Line Laser Diode Module. 1x 405nm 20mw Laser Line Diode Module. Focusable :Yes. For close range use. Working Current: <55mA Laser Shape : Line. Laser reflects blue/violet light depend on materials.