Output Power 20mw 
Wavelength 532nm 
Working Voltage 3.0V-3.7V 
Working Current <300 mA 
Working Temperature +10 degree~+35 degree
Duty Cycle 60 seconds on, 15 seconds off 
Laser Shape Cross 
Material and Color Brass 
Dimensions  11.9×35mm(brass length)

Detail:                                                                             .

This laser locator/module is widely used in clothes cutting, wood cutting, mechanical positioning.
Please keep the lens clean to make the laser beam clear and bright. 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.

Package:

1 x 3.0-3.7V 532nm 20mw Green Laser Cross Module