10pcs 8*13mm 1mW 5mW 650nm Red Dot Focusable Laser Module 3VDC

This 650nm laser module with driver is an industrial electronic component and used for as Industrial testament, Lab, DIY. Not a handheld laser.
It is very small size can save a lot of space on your laser equipment. 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 test.

this laser is the key component for laser hair loss treatment

Specification 

Model 650MD-1-0813

Output Power 1mW 5mW

Wavelength 650nm

Working Voltage 3.2VDC

Working Current <40mA

Laser Shape dot

Material and Color all metal

Red wire power "+" 
Black wire : power "-"

Dimensions 8*13mm(brass house length)