... , high stability, long life,low price DM650D5 red dot laser module Characteriscics:High-quality laser diode,optical glass ... 20mW,30mW,50mW,80mW,100mW,150mW,200mW,250mWSpot Mode: Dot/line/crossOperating Current: <22mA~30mAOperating Voltage:DC3V,5V, ... housingHigh reliability, high stability, long life,low price Application scope: Can be used in industrial,architectural, medical, scientifics,enterainment ...