The high power laser should not be placed close to objects to turn on lights, otherwise the light will reflect back to the collimating lens and burn it out. 1pc 455nm-5000 blue dot laser module (Battery not included for easy custom clearance).
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SNAKOL Digital Tweezers Smart SMD Tester LCR ESR Professional LED Diode Electronic Component Diode Test Electrical Multimeter
Aliexpress UK
450nm 5mw Blue Line Focusable Laser Diode Module driver 12x35mm 3-5V. Size: 12x35mm. Wavelength: 450nm. Focusable :Yes. 1x 450nm 5mw Laser Line Module. Output Power: ≤5mW. Laser Shape : Line. Note:Duty cycle: 45s on, 15s off.
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360 Degree Laser Lens for Laser Level FREE with Glass Tube For Laser Line Circle / Laser Level Use DIY
Aliexpress UK
Focusable 830nm 250mW Infrared Dot Laser Diode Module + 5V Adapter. Notice: 830nm IR lasers can be seen a little red light by bare eyes. 1x 830nm 250mw Dot laser diode module. Power: 250mW. 1x 5V Adapter.
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Lfine Laser Level 2 Lines Cross Green Level Laser Horizontal Vertical Nivel Laser automatic 360°Self-Leveling laser level Tools
Aliexpress UK
3pcs 850nm 3.5mW Mini Infrared Dot Laser Diode Module IR LED 6x10mm. Size: 6x10mm(brass house length). 3x 850nm 3.5mw laser diode module. Notice: It's IR Lasers which can not be seen by naked eyes.You can get the light by night vision or IR detection card.
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Lfine Laser Level 2 Lines Professional Level Laser Horizontal Vertical Nivel Laser automatic 360°Self-Leveling laser level Tools
Aliexpress UK
1pc Focusable 405nm 20mw Violet/Blue Laser DOT Module 13x42mm. Wavelength: 405nm. Output Power: 20mW. Focusable: Yes. Be sure the operator has experience in optics DIY or testing. Laser Shape:Dot. Working Temperature: ＋15 ℃~＋35 ℃.
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M-WALK High Precision 16 Line Laser Level 4D Cross Laser 360° Self-leveling Laser Level Instrument Construction Lasers
Aliexpress UK
Wavelength: 650NM. Laser wavelength: 650nm (Red). Power: 5MW. Output power:<5mw. Laser wavelength: 650nm. Transmission power: 5mW. Output: Red dots/straight lines/crosses (650nm). Adjustable focal length of 5mW red spot linear laser tube laser head module.
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tripod/nivel laser 4D 16 Lines Laser Level 3° Self-leveling professional laser level green Laser level machine free shipping
Aliexpress UK
405nm 100mW Violet/Blue Focusable Dot Laser Module w/ Driver 12V Adapter. Wavelength: 405nm. 1x 405nm 100mW Dot Laser Diode Module. For close range use. Output power: 100mW. Can use it with TTL Modulation.
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Yofuly 20W Laser Moudle High Precision Compressed Spot 10W Laser Fixed Focus Laser Head for CNC Laser Engraving Machine
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532nm 50mW Green Dot Laser Module Fixed Case Cooling. 1x 532nm 50mw Dot laser module. Output Power: 50mW. Wavelength: 532nm. Heatsink material: Aluminum. Laser Shape: Dot. Reverse polarity protection: with automatic identification of positive and negative.
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Lfine Laser Level 2 Lines Green Light Level Laser Horizontal Vertical Nivel Laser automatic 360°Self-Leveling laser level Tools
Aliexpress UK