Features:
Output Power: 50mw
Wavelength: 532 nm
Working Voltage: 3V (Black wire to Negative -, Red wire to postive +)
Working Temperature: ＋15℃~＋35℃
Duty Cycle: 45 seconds ON, 15 seconds OFF
Laser Shape: DOT
Focusable: N/A
Material and Color: Brass
Dimensions: 13mm x 48mm (including PCB)
with switch and spring on the PCB, can be used to DIY laser pointers

Specification:
This 532nm green laser module is precise lab lasers.Only for professional!
Also please wear protection goggles to protect your eyes when you work with this green module.
Package:
1 x 532nm 50mW green laser module