Green Line 50mW 532nm Laser Diode Module 5V Brass Locator Heatsink Holder
532nm 50mw Green Line Laser Module + Heatsink. 1x 532nm 50mW Laser Line Diode Module. Output Power: 50mW. Wavelength: 532nm. 1x Heatsink. Red wire is connected to the positive pole "+‘’and black wire is connected to the negative "-".