2pcs 405nm 20mW Violet/Blue Focusable Dot Laser Diode Module 3-5V w/ Driver In. 2x 405nm 20mw Laser Dot Diode Module. Focusable :Yes. Laser Shape :Dot. Output Power :20mw.
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High Quality 405nm 450nm Blue Laser Diode Dot Focus Lens Collimator Glass Coated Holder M9*0.5
Aliexpress UK
Wave Length: 405nm. Power: Rechargable Battery (Included). 1x LASER PEN (Battery Included). Laser Color: Purple. - It is used to point at any desired target on projection, be used for presentation, teaching indicator, etc.
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COB LED Headlamp Headlight Torch Flashlight Work Light Bar Head Band Lamp USB UK. Built-in light beam module to improve heat dissipation, circuit board collection protection design. Blue-violet Light Beam 1.
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500mW 405nm 12V Blue Violet Laser Module with Safety Glasses. Wave length: 405nm 0.5W. 1 Laser module. 1 Laser Safety Glasses. Driver module:TTL/PWM. 2 Laser cable 80cm ( XH2.54-3P+XH2.54-4P ). Beam Shape: Dot (Focus adjustable).
eBay
eBay
Wavelength: Purple: 405nm. Output power: <1MW. Laser Pointer Pen Features This high quality laser pointer adopts the latest technology optics and microelectronics. Powerless than 1mW. The handle is made of anti-slip material, which prevents the laser pointer pen from dropping down.
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For 405nm 450nm 505nm 515nm 532nm 638nm 650nm 780nm 808nm 980nm,ect. 5x 200nm-1100nm Lens. 5pcs 200nm-1100nm Focusable Lens DIY Blue Red Green IR Laser Module. Be sure the operator has experience in optics DIY or testing.
eBay
Wavelength: 405nm. Laser Pointer Pen Features This high quality laser pointer adopts the latest technology optics and microelectronics. The handle is made of anti-slip material, which prevents the laser pointer pen from dropping down.
eBay