... , high stability, long life,low price DM532D5 Green Laser Module: Characteriscics:High-quality laser diode,optical glass lens, driver ... 0.1Beam pointing stability0.03mradNoise<0.5% 10Hz-50MHzPower stability±1, 3, 5% over 8 hrs rmsOptical axis height68.2mmSize of ... laser modules ,like as dot ,line /cross line laser module,DPSS laser,uniformline laser,single longitudinal mode green laserbeam expander ...