Amazon
Model 650MD-3.5-6512 Output Power 3-3.5mW Wavelength 650nm Working Voltage 3-3.6VDC Working Current 40mA Laser Shape dot Material and Color all metal Red wire power "+" Black wire : power "-" Dimensions 6.5*12mm(brass house length) Package 5X 650nm laser with driver board
Model 650MD-3.5-6512 Output Power 3-3.5mW Wavelength 650nm Working Voltage 3-3.6VDC Working Current 40mA Laser Shape dot Material and Color all metal Red wire power "+" Black wire : power "-" Dimensions 6.5*12mm(brass house length) Package 5X 650nm laser with driver board