... ,IIIa,IIIb SpecificationsWavelength:635nm,650nm,658nmOutput power:1-100mW Laser class:II,IIIa,IIIbBeam divergence:0.1mrad ~ 0. ... : Less then 2mm at 5mFan angle:10°~90°Laser line accuracy:<30”(at 5m)Operating Voltage:DC3V-5VOperating ... clothes process,shears, clippers machineTyre laser locate,saw machine,power machinePrinter laser straightLaser welding,golf processSMT PCB laser marking and so on..