Functional high power green laser pen 50mW,80mW,100mw,120mw,150mw200mw,250mw,300mw Beam Distance:3500-12000 Functional high power green laser penControl of the smallest spot: 5mm-20mm Features: Continuous Wave Battery : 1X”CR123A” Dimension:φ30×152mm QTY:10pcs MEAS:21*25*35cm G W:500g Technical Parameter:adjustable focus, green dot facula, continuous output and working time over 5000 hours Output ...