Functional high power green laser pen 50mW,80mW,100mw,120mw,150mw200mw,250mw,300mw Beam Distance:3500-12000 Functional high power green ... hours Output Wavelength: 532 nmOutput Power: 50mW,80mW,100mw,120mw,150mw200mw,250mw,300mw(also for clients )Beam Distance: 3500-12000mWorking Voltage ...