INDUSTRIAL/LAB 3.7-4.2V 3VDC 532nm Green Laser 50mW Diode Module with Cable
1x 3.7-4.2V 532nm 50mw Green Laser 50mW Diode Module. Output Power 50mw. Laser Shape Dot. with switch and spring on the PCB, can be used to DIY laser pointers. Material and Color Brass.