532nm 200mW Green Dot Brass Laser Diode Module 3.7V-4.2V Driver Spring
532nm 200mw Green Focus Dot Laser Diode Module. 1x Brass 532nm 200mw Laser Dot Module. Power: 200mW. Wavelength: 532nm. Laser Shape: DOT. With switch and spring on the PCB, can be used to DIY laser pointers.