... 50mW,80mW,100mw,120mw,150mw200mw,250mw,300mw Beam Distance:3500-12000 Functional high power green laser penControl of the smallest spot: 5mm-20mm ... 21*25*35cm G W:500g Technical Parameter:adjustable focus, green dot facula, continuous output and working time over 5000 ... and Color: Black(according to the request of customer)Our green lasers have been used in many applications and industries including ...