... , low-cost use. Small power consumption, the flexible optical fiber output, easy to use, saving energy, power consumption ... permanent discoloration, up to ROHS standard.Specifications: Fiber laser marking machineItem noKT-GX20Laser output≤20WMax marking ... 1mmLaser wavelength1064nmBeam quality(m2)<1.8 square metresLaser Q-switched frequency20kHz~200kHzStandard marking area110mm×110mmOptional marking ...