This 850nm laser module with driver built-in is an industrial electronic component and  used for Industrial testament, Lab.
The laser module is and 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 testing.

Specification :
Size 12x35mm(not include the length of the lens)
Ouptut Power 7 mW
Operating Voltage 3-5VDC
Operating Current 100mA
Wavelength 850 nm
Life Span >10000 hours
Working Temperature -10 degree C~+40 degree C

Package:
1 x  850nm 7mW laser Dot module 12x35mm 3-5VDC