... 20VFrequency:50HzInput power:1.5kVAWavelength:1.064µmPower:50WInstability:±5%Radio-frequency power:≤50WModulating frequency power:200Hz~50kHzPulse duration modulation:4 ... auto-coding, serial No., batch No., barcode, 2 -D code, etc. on metal or nonmetal surface (plastic, silicon or porcelain ... jewelry, glasses, auto parts, telecommunications products, plastic buttons etc. Vin Code laser marking machine