... price DM650D1 Red Laser Module Characteriscics:High-quality laser diode,optical glass lens, driver circuit and housingHigh reliability, ... Divergence:0.1mrad ~ 2mrad Fan Angle: 10°,30°,45°,60°,90°,110°,135°(bigger angle,longer line)Operating ... 10000hoursSpot diamension: 0.5mm (thinnest) Characteriscics:High-quality laser diode,optical glass lens, driver circuit and housingHigh reliability, high ...