Cyan-Blue 488nm 30mW Adjusable Focus Dot Laser Module USB 5V Power Supplied. 1x 488nm 30mwDot laser diode module. Output power: >30mW. Spot Mode:Dot. Operation mode: continuous laser, the red wire is connected to the positive electrode, and the black wire is connected to the negative electrode.
eBay
Laser Module Red 650nm 5mW Light Point Module Laser Positioning Aiming Assembly Accessories Semiconductor Copper Head Irradiate
Aliexpress UK
Focusable 980nm 100mW IR Dot Laser Diode Module. Notice: 980nm IR lasers can't be seen little by bare eyes. Wavelength: 980nm. 1x 980nm 100mw Dot laser diode module. Output Power: 100mW. Can use it with TTL Modulation.
eBay
Laser Receiver Sensor Module + KY-008 650nm Laser Transmitter Module For AVR Electrical Equipment Tools
Aliexpress UK
Industrial Violet Blue 405nm 20mw Laser Cross Diode Module w/ Driver In 13x42mm 405MC-20-1342-F-CA. 1 x 405nm 20mw Violet/Purple Laser Cross Module 13x42mm 3-5.5VDC. Output Power 20mw. Wavelength 405nm.
eBay
High-quality 520nm 10mw green dot laser module 6mm, 8mm, 12mm small laser module indicator positioner
Aliexpress UK
Industrial 532nm 100mW Green 12V Dot Laser Diode Module w/ TTL. 1x 532nm 100mW Dot Laser Diode Module. Output wavelength: 532nm. Output power: 100mW. Structural Features: Laser tube + lens + heat sink housing.
eBay
3V-5V 12MM laser head 650nm 5mW dot red light word infrared positioning cross laser head diode diameter 12mm
Aliexpress UK
Laser wavelength: 650nm (Red). Light power: <5mW. Spot mode: dot facula, continuous output. 1pc or 3pcs or 5pcs or 10pcs Line Laser Module (as your choose). laser test tools. Use for DIY or robots.
eBay
360 ° Rotation Laser Levels Multifunctional High Precision Automatic Leveling 12V Strong Light Diode Precision Laser Profession
Aliexpress UK
Theoretically, under ideal conditions (no dust, no smoke, no obstruction of any kind), the transmission distance of the laser is infinite. Laser small copper head (red light).
eBay
Algolaser PIXI First Entry-Level Mini DIY Laser Engraver Enclosed Portable 3W 5W 10W Diode Smart AlgoType Laser Marker DIY Cut
Aliexpress UK
650nm 30mW Red Dot Line Cross Laser Module + 5V Adapter + Holder. Focusable :Yes. Wavelength: 650nm Output power: 30mW. 1x 650nm 30mw Laser Diode Module. The clamp is specially made for fixing laser modules.
eBay
5PCS Black Laser Engraving Marking Paper for Ceramics Glass Crystal Diode CO2 Fiber Laser Cutter and Engrave Machine
Aliexpress UK
Output wavelength: 591nm. 1x 591nm 10mW Dot Laser Diode Module. Output power: 10mW. Structural Features: Laser tube + lens + heat sink housing. Housing Material: 6063 Aerospace Aluminum. Surface Finish: Black.
eBay
Metal 850nm 1W 1000mW High Power IR Laser Diode LD 5.6mm TO56 Semiconductor Laser Tube
Aliexpress UK