Output Power 5mw
Wavelength 532 nm
Working Voltage 3 V
Working Temperature ＋15 ℃~＋35 ℃
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.
 
It can be suitable for the pen housing listed below,
https://www.ebay.com/itm/Housing-Casing-Host-Laser-Pointer-Pen-12mm-Laser-Module-/221719538644?hash=item339f83abd4

The heatsink listed below,
https://www.ebay.com/itm/Cooling-Heatsink-Holder-Inner-Dia-12-5mm-12mm-Laser-Diode-Module-Black-/321694487056?hash=item4ae67c5210
 

Package:

3 x 532nm 5mW green laser module