... ,cute robot High efficiency Diode laser source, high stabilit laser machine for welding:Features: Power of the laser can be djustable LCD touch ... Fusion welding Heating Wavelength 810nm, 980nm Output Power 5W, 15W, 30W, 60W, 90W Power instability <5% Fiber Core diameter 50µm ... power 110V/2A or 220V/1A Lifetime >10.000 hours Focusing optics 1:1 imaging optics Working distance 50mm Laser machine for ...