... and laser targeting devices and so on.. Specifications:Wavelength:650nm Output power:5mW Laser class:ⅢbBeam Divergence:0.1mrad ~ 0.6mrad ... No.: DM650D5-MH, DM650L5-MH,DM650C5-MHWavelength: 635nm,648nm,650nm,658nm,660nm,670nm,532nm,405nm,445nm, 450nm,780nm,808nm,810nm ... in industrial,architectural, medical, scientifics,enterainment, military,levellighting, etc. 650nm 5mW Red Dot Laser Module