... price DM650D1 Red Laser Module Characteriscics:High-quality laser diode,optical glass lens, driver circuit and housingHigh reliability, ... more than twenty kinds of laser in wavelengh from UV laser to infrared laser, including dot laser, line laser ... 10000hoursSpot diamension: 0.5mm (thinnest) Characteriscics:High-quality laser diode,optical glass lens, driver circuit and housingHigh reliability, high ...