Green Dot 532nm 10mW Laser Diode Module 5V 18x75mm Long-Time Working
Size: 18x75mm. 532nm 10mW Green Focus Dot Laser Diode Module. 1x 532nm 10mw Dot Laser Diode Module ( No Adapter). Connect Adapter interface: international standard female interface DC specification 5.5x2.1mm, and the inner core is positive +.