High-quality laser diode,optical glass lens, driver circuit and housing High reliability, high stability, long life,low price DM650D1 Red Laser Module Characteriscics:High-quality laser diode,optical glass lens, driver circuit ... will provide you with our best solution. Wavelength: 635nm,648nm,650nm,658nm,660nm,670nm,532nm,405nm,445nm, 450nm,780nm,808nm,810nm ...