... glass lens, driver circuit and housing Better line quality DM650L5 red line modulated laser module Characteriscics:High-quality laser ... diode,optical glass lens, driver circuit and housingBetter line quality,high frequency modulatedHigh reliability, high stability, long life ... for inquiry . We will provide you with our best solution. Wavelength: 635nm,648nm,650nm,658nm,660nm,670nm,532nm,405nm ...