5pcs 405nm 50mw 5.6mm Used Laser Diode

1. Only for professionals.
2. Warranty: There is no warranty because laser diode is consuming material (Please do not buy if you mind.)
3. If buyer use it for longer time without heatsink, we do not take any responsibility.
The laser diode is precise and sensitive optical instrument.
Before carrying on some laser DIY activities, please read about the technical information first and protect your eyes before laser ray.
Be sure the operator has experience in optics DIY or test.
Don't operate when the power is connected.
Do not touch the ld by your hands directly.
Please use anti-static wrist strap.
Used laser diode - fully functional (Removed from old equipment).
Note: Pins may be slightly shortened and have solder residue. Not brand new. Please do not buy if you mind.