Description

Output Power 50mw 
Wavelength 532 nm 
Working Voltage 3V (2xAAA batteries)
Working Temperature +15 degree~+35 degree
Duty Cycle 30 seconds ON, 15 seconds OFF 
Laser Shape DOT 
Focusable N/A 
Material and Color Brass 
Spring is Negative -, bronze casing is postive +
Dimensions  12 mmX50mm(including PCB)
with switch and spring on the PCB, can be used to DIY laser pointers

Package:
1 x 532nm 50mW green laser module 3v