... on 24 h 3.CE Approved 4.Easy operate Diode Pump Laser MarkerSampleTechnical parameters Input voltage:AC220V±20VFrequency:50HzInput power:1 ... Its mainly equipped with the international advanced semiconductor light-emitting diode. diode laser module, scanner head, beam expander, reflect lens, Q- ... , glasses, auto parts, telecommunications products, plastic buttons etc. Diode Pump Laser Marking machine